#vas__vessel  a tube in which a body fluid circulates
  supertype:  #tube-shaped_structure__tube  (anatomy) any hollow cylindrical body structure
  part of:  #vascular_system
  subtype:  #blood_vessel__bloodvessel  a vessel in which blood circulates
     subtype:  #arteria__artery  a blood vessel that carries blood from the heart to the body
        subtype:  #alveolar_artery__arteria_alveolaris  a branch of the maxillary artery that supplies the alveolar process
           subtype:  #inferior_alveolar_artery__arteria_alveolaris_inferior  the alveolar artery that goes through the mandibular canal to supply the lower teeth
           subtype:  #superior_alveolar_artery__arteria_alveolaris_superior  the alveolar artery that supplies the upper teeth
        subtype:  #angular_artery__angularartery__arteria_angularis__arteriaangulari  the terminal branch of the facial artery
        subtype:  #aorta  the large trunk artery that carries blood from the left ventricle of the heart to branch arteries
           subtype:  #ascending_aorta  the ascending part of the aorta as it emerges from the left ventricle
           subtype:  #aortic_arch  the part of the aorta that arches and turns downward
           subtype:  #descending_aorta  the descending part of the aorta that branches into the thoracic and abdominal aortae
           subtype:  #abdominal_aorta  a branch of the descending aorta
           subtype:  #thoracic_aorta  a branch of the descending aorta; divides into the iliac arteries
        subtype:  #appendicular_artery__arteria_appendicularis  the branch of the ileocolic artery that supplies the vermiform appendix
        subtype:  #arcuate_artery__arcuateartery__arteria_arcuata__arteriaarcuata  curved artery in the foot
        subtype:  #arcuate_artery_of_the_kidney  curved arteries of the kidney
        subtype:  #arteriole__arteriola__capillary_artery__capillaryartery  one of the small thin-walled arteries that end in capillaries
        subtype:  #artery_of_the_penis_bulb__arteria_bulbi_penis__arteriabulbipeni  a branch of the internal pudendal artery of males that supplies the bulb of the penis
        subtype:  #artery_of_the_vestibule_bulb__arteria_bulbi_vestibuli__arteriabulbivestibuli  a branch of the internal pudendal artery in females that supplies the bulb of the vestibule
        subtype:  #ascending_artery__ascendingartery__arteria_ascendens__arteriaascenden  the branch of the ileocolic artery that supplies the ascending colon
        subtype:  #auricular_artery__auricularartery__arteria_auricularis__arteriaauriculari  artery that supplies blood to the ear
        subtype:  #axillary_artery__arteria_axillaris__arteriaaxillari  the part of the main artery of the arm that lies in the armpit and is continuous with the subclavian artery above and the brachial artery below
        subtype:  #basilar_artery__basilarartery__arteria_basilaris__arteriabasilari  an unpaired artery; supplies the pons and cerebellum and the back part of the cerebrum and the inner ear
        subtype:  #brachial_artery__arteria_brachialis  the main artery of the upper arm; a continuation of the axillary artery; bifurcates into the radial and ulnar arteries at the elbow
        subtype:  #radial_artery__arteria_radialis  branch of the brachial artery beginning below the elbow and extending down the forearm around the wrist and into the palm
        subtype:  #bronchial_artery__bronchialartery  arteries that accompany the bronchioles
        subtype:  #buccal_artery__arteria_buccalis  a branch of the maxillary artery that supplies blood to the buccinator muscle and the cheek
        subtype:  #carotid_artery__carotidartery__arteria_carotis__arteriacaroti  either of two major arteries of the neck and head; branches from the aorta
           subtype:  #common_carotid_artery__common_carotid  runs upward in the neck and divides into the external and internal carotid arteries
           subtype:  #external_carotid_artery__external_carotid  the branch of the carotid artery that supplies blood to the face and tongue and external parts of the head
           subtype:  #internal_carotid_artery  the branch of the carotid artery that supplies blood to the brain and eyes and internal parts of the head
        subtype:  #celiac_trunk__celiac_artery__truncus_celiacus__arteria_celiaca__arteriaceliaca  an artery that originates from the abdominal aorta just below the diaphragm and branches into the left gastric artery and the common hepatic artery and the splenic artery
        subtype:  #central_artery_of_the_retina__arteria_centralis_retinae__arteriacentralisretinae  a branch of the ophthalmic artery; enters the eyeball with the optic nerve
        subtype:  #cerebellar_artery__arteria_cerebelli__arteriacerebelli  an artery that supplies the cerebellum
           subtype:  #inferior_cerebellar_artery  the inferior branch of the cerebellar artery
           subtype:  #superior_cerebellar_artery  the superior branch of the cerebellar artery
        subtype:  #cerebral_artery__arteria_cerebri__arteriacerebri  any of the arteries supplying blood to the cerebral cortex
           subtype:  #anterior_cerebral_artery  one of two branches of the internal carotid artery; divides into two branches that serve (1) the thalamus and (2) parts of the frontal and parietal cortex
           subtype:  #middle_cerebral_artery  one of two branches of the internal carotid artery; divides into three branches
           subtype:  #posterior_cerebral_artery  arises from the basilar artery; divides into three branches
           subtype:  #temporal_artery  any of the three arteries on either side of the brain supplying the cortex of the temporal lobe
              subtype:  #anterior_temporal_artery__arteria_temporalis_anterior  temporal artery that goes to the anterior part of the cerebral cortex of the temporal lobe
              subtype:  #intermediate_temporal_artery__arteria_temporalis_intermedia  temporal artery that goes to the middle part of the cerebral cortex of the temporal lobe
              subtype:  #posterior_temporal_artery__arteria_temporalis_posterior  temporal artery that supplies the posterior part of the cortex of the temporal lobe
        subtype:  #cervical_artery__areteria_cervicalis  an artery that supplies the muscles of the neck
        subtype:  #choroidal_artery__choroidalartery__arteriachoroidea  an artery that supplies the choroid plexus
        subtype:  #ciliary_artery__ciliaryartery__arteria_ciliaris  one of several arteries supplying the choroid coat of the eye
        subtype:  #circle_of_Willis  a ring of arteries at the base of the brain
        subtype:  #circumflex_artery  any of several paired curving arteries
           subtype:  #circumflex_artery_of_the_thigh__arteria_circumflexa_femoris__arteriacircumflexafemori  an artery that supplies the hip joint and thigh muscles
           subtype:  #circumflex_humeral_artery__arteria_circumflexa_humeri__arteriacircumflexahumeri  an artery that supplies the shoulder joint and shoulder muscles
           subtype:  #circumflex_iliac_artery__arteria_circumflexa_ilium  an artery that supplies the lower abdominal walls and skin and the sartorius muscle
           subtype:  #circumflex_scapular_artery__arteria_circumflexa_scapulae__arteriacircumflexascapulae  an artery that serves the muscles of the shoulder and scapular area
        subtype:  #colic_artery__colicartery__arteria_colica__arteriacolica  arteries that supply blood to the colon
        subtype:  #communicating_artery__communicatingartery__arteria_communicans__arteriacommunican  any of three arteries in the brain that make up the circle of Willis
        subtype:  #coronary_artery__arteria_coronaria__arteriacoronaria  the artery that branches from the aorta to supply blood to the heart
           subtype:  #atrial_artery  the branch of the coronary artery that supplies the muscles of the atria
           subtype:  #right_coronary_artery  arises from the right aortic sinus; supplies the right side of the heart
           subtype:  #left_coronary_artery  arises from the left aortic sinus; supplies the left side of the heart
        subtype:  #cystic_artery__arteria_cystica__arteriacystica  a branch of the hepatic artery; supplies the gall bladder and the surface of the liver
        subtype:  #digital_arteries__arteria_digitalis__arteriadigitali  arteries in the hand and foot that supply the fingers and toes
        subtype:  #epigastric_artery__arteria_epigastrica  one of three arteries supplying the anterior walls of the abdomen
        subtype:  #ethmoidal_artery__ethmoidalartery__arteriaethmoidali  a branch of the ophthalmic artery supplying structures in and around the nasal capsule
        subtype:  #femoral_artery__femoralartery__arteria_femoralis__arteriafemorali  the chief artery of the thigh; a continuation of the external iliac artery
        subtype:  #popliteal_artery__poplitealartery__arteria_poplitea__arteriapoplitea  continuation of the femoral artery that branches to supply the legs and feet
        subtype:  #gastric_artery__gastricartery__arteria_gastrica__arteriagastrica  arteries that supplies the walls of the stomach
           subtype:  #right_gastric_artery__rightgastricartery__ateria_gastrica_dextra  a branch of the hepatic artery that supplies the pyloric portion of the stomach on the lesser curvature
           subtype:  #left_gastric_artery__arteria_gastrica_sinistra  a branch of the celiac artery that supplies the lesser curvature of the stomach and the abdominal part of the esophagus
           subtype:  #short_gastric_artery__shortgastricartery__arteria_gastrica_breves__vasa_brevis  several small arteries branching off of the splenic artery and going to the greater curvature of the stomach
        subtype:  #gluteal_artery__glutealartery__arteria_glutes  branches of the internal iliac artery that supply the hip joint and gluteal region
        subtype:  #hepatic_artery__hepaticartery__arteria_hepatica__arteriahepatica  arteries that supply the liver
        subtype:  #ileal_artery__ilealartery__intestinalartery__arteria_ileum__arteriaileum  branch of the superior mesenteric artery that supplies the ileum
        subtype:  #ileocolic_artery__ileocolicartery__arteriaileocolica  an artery that originates from the superior mesenteric artery and supplies the terminal part of the ileum and the cecum and the vermiform appendix and the ascending colon
        subtype:  #iliac_artery__iliacartery__arteria_iliaca__arteriailiaca  one of the large arteries supplying blood to the pelvis and legs
           subtype:  #common_iliac_artery  terminal branches of the abdominal aorta
           subtype:  #external_iliac_artery  the outer branch of the common iliac artery on either side of the body; becomes the femoral artery
           subtype:  #internal_iliac_artery__hypogastric_artery__hypogastricartery  the inner branch of the common iliac artery on either side of the body; divides into several branches that supply blood to the pelvic and gluteal areas
        subtype:  #iliolumbar_artery__arteria_iliolumbalis  an artery that originates in the internal iliac artery and supplies the pelvic muscles and bones
        subtype:  #infraorbital_artery__arteria_infraorbitalis  originates from the maxillary artery and supplies structures below the orbit (from lower eyelid to upper lip)
        subtype:  #innominate_artery  a large artery arising from the arch of the aorta and divides into the right subclavian artery and the right common carotid artery; supplies the right side of the neck and head and the right shoulder and arm
        subtype:  #intercostal_artery__intercostalartery__arteria_intercostalis__arteriaintercostali  several arteries and supplying the intercostal spaces of the rib cage
        subtype:  #jejunal_artery__jejunalartery__intestinal_artery  branch of the superior mesenteric artery that supplies the jejunum
        subtype:  #labial_artery__arteria_labialis  a branch of the facial artery that supplies the lips of the mouth
           subtype:  #inferior_labial_artery__arteria_labialis_inferior  a branch of the facial artery that supplies the lower lip
           subtype:  #superior_labial_artery__arteria_labialis_superior  a branch of the facial artery that supplies the upper lip
        subtype:  #labyrinthine_artery__artery_of_the_labyrinth__internal_auditory_artery  a branch of the basilar artery that supplies the labyrinth
        subtype:  #lacrimal_artery__arteria_lacrimalis  an artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the forehead
        subtype:  #laryngeal_artery__laryngealartery__arteria_laryngea__arterialaryngea  either of two arteries that supply blood to the larynx
        subtype:  #lienal_artery__splenic_artery__splenicartery__arteria_lienalis  an artery that originates from the celiac trunk and supplies blood to the spleen
        subtype:  #lingual_artery__lingualartery__arteria_lingualis__arterialinguali  an artery originating from the external carotid artery and supplying the under side of the tongue
        subtype:  #lumbar_artery__arteria_lumbalis  one of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wall
        subtype:  #maxillary_artery__maxillaryartery__arteria_maxillaris  either of two arteries branching from the external carotid artery and supplying structure of the face
           subtype:  #facial_artery__arteria_facialis__external_maxillary_artery  an artery that originates in the external carotid and gives off branches that supply the neck and face
           subtype:  #internal_maxillary_artery  the maxillary artery that supplies deep structure of the face and some of the meninges
        subtype:  #meningeal_artery__meningealartery__arteria_meningea__arteriameningea  any of three arteries supplying the meninges of the brain and neighboring structures
           subtype:  #anterior_meningeal_artery  branch of the anterior ethmoidal artery that supplies meninges in the anterior cranial fossa
           subtype:  #middle_meningeal_artery  branch of the maxillary artery; its branches supply meninges
           subtype:  #posterior_meningeal_artery__posteriormeningealartery  branch of the ascending pharyngeal artery that supplies the dura mater of the posterior cranial fossa
        subtype:  #mesenteric_artery__arteria_mesenterica__arteriamesenterica  one of two branches of the aorta that pass between the two layers of the mesentery to the intestines
           subtype:  #inferior_mesenteric_artery  arises near the lower end of the aorta and supplies the large intestine
           subtype:  #superior_mesenteric_artery  originates from the upper part of the aorta that supplies the small intestines and the cecum and the colon
        subtype:  #metacarpal_artery__arteria_metacarpea__arteriametacarpea  dorsal and palmar arteries of the hand
        subtype:  #metatarsal_artery__arteria_metatarsea__arteriametatarsea  dorsal and plantar arteries to the metatarsal region of the foot
        subtype:  #musculophrenic_artery__arteria_musculophrenica  an artery that supplies the abdomen and intercostal muscles
        subtype:  #nutrient_artery__arteria_nutricia__arterianutricia  an artery that supplies the medullary cavity of the long bone
        subtype:  #ophthalmic_artery__arteria_ophthalmica  a branch of the internal carotid artery that supplies the eye and neighboring structures
        subtype:  #ovarian_artery__ovarianartery__arteria_ovarica__arteriaovarica  the artery that branches from the aorta and supplies blood to the ovaries
        subtype:  #palatine_artery__arteria_palatina__arteriapalatina  one of several arteries supplying the face
        subtype:  #pancreatic_artery__arteria_pancreatica__arteriapancreatica  a branch of the splenic artery that supplies the pancreas
        subtype:  #perineal_artery__arteria_perinealis  a branch of the internal pudendal artery that supplies superficial structures of the perineum
        subtype:  #pudendal_artery__arteria_pudenda__arteriapudenda  arteries supplying the external genital organs of humans
        subtype:  #pulmonary_artery__pulmonaryartery__arteria_pulmonalis  one of two arteries (branches of the pulmonary trunk) that carry venous blood from the heart to the lungs
           subtype:  #pulmonary_trunk__pulmonarytrunk__truncus_pulmonalis  the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries
        subtype:  #rectal_artery__arteria_rectalis  one of the arteries supplying the rectal area
        subtype:  #renal_artery__renalartery__arteria_renalis  an artery originating from the abdominal aorta and supplying the kidneys and adrenal glands and ureters
        subtype:  #subclavian_artery__arteria_subclavia__arteriasubclavia  either of two arteries that supply blood to the neck and arms
        subtype:  #testicular_artery__internal_spermatic_artery__arteria_testicularis  a branch of the aorta supplying the testicles
        subtype:  #ulnar_artery__ulnarartery__arteria_ulnaris__arteriaulnari  large artery that branches from the brachial artery to supply the muscles of the forearm and wrist and hand
        subtype:  #uterine_artery__uterineartery__arteria_uterina__arteriauterina  a branch of the internal iliac artery that supplies the uterus and the upper part of the vagina
        subtype:  #vaginal_artery__vaginalartery__arteria_vaginalis__arteriavaginali  a branch of the internal iliac that provides blood for the vagina and the base of the bladder and the rectum
        subtype:  #vertebral_artery__vertebralartery__arteriavertebrali  the first branch of the subclavian artery; divided into four parts
     subtype:  #ductus_arteriosus  a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth
        subtype:  #patent_ductus_arteriosus  a ductus arteriosus that failed to close at birth; may require surgical correction
     subtype:  #vasa_vasorum  (invertebrates) any small blood vessel ramifying on the outside of a major artery or vein
     subtype:  #vein__vena  a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
        subtype:  #accessory_cephalic_vein__vena_cephalica_accessoria  a vein that passes along the radial edge of the forearm and joins the cephalic vein near the elbow
        subtype:  #accessory_hemiazygos_vein__accessory_hemiazygous_vein__accessoryhemiazygousvein__vena_hemiazygos_accessoria  a vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein
        subtype:  #accessory_vertebral_vein__accessoryvertebralvein__vena_vertebralis_accessoria  a vein that accompanies the vertebral vein but passes through the foramen of the transverse process of the 7th cervical vertebra and empties into the brachiocephalic vein
        subtype:  #accompanying_vein__vena_comitans  a vein accompanying another structure; a vein may accompany an artery in such a way that the arterial pulses aid venous return
        subtype:  #anastomotic_vein__anastomoticvein__venaanastomotica  either of two communicating veins serving the brain
        subtype:  #angular_vein__angularvein__venaangulari  a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein
        subtype:  #anterior_vertebral_vein__vena_vertebralis_anterior  a vein that accompanies the ascending cervical artery and opens into the vertebral vein
        subtype:  #appendicular_vein__vena_appendicularis  a vein that accompanies the appendicular artery and empties into the ileocolic vein
        subtype:  #arcuate_vein_of_the_kidney__vena_arcuata_renis  veins that receive blood from interlobular veins of kidney and rectal venules
        subtype:  #auricular_vein__auricularvein__vena_auricularis  one of two veins serving the ear region
        subtype:  #axillary_vein__vena_axillaris  a continuation of the basilic vein and brachial vein that becomes the subclavian vein
        subtype:  #azygos_vein__azygous_vein__azygousvein__vena_azygos  one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava
        subtype:  #basal_vein__basalvein__vena_basalis  a large vein passing along the medial surface of the temporal lobe and emptying into the great cerebral vein
        subtype:  #basilic_vein__basilicvein__vena_basilica  a vein that drains the back of the hand and forearm and empties into the axillary vein
        subtype:  #basivertebral_vein__basivertebralvein__vena_basivertebralis  one of a number of veins draining the spongy substance of the vertebrae and emptying into the anterior internal vertebral venous plexus
        subtype:  #brachial_vein__vena_brachialis  two veins in either arm that accompany the brachial artery and empty into the axillary vein
        subtype:  #brachiocephalic_vein__brachiocephalicvein__innominate_vein__vena_brachiocephalica  veins formed by the union of the internal jugular and subclavian veins
        subtype:  #bronchial_vein__bronchialvein__vena_bronchialis  veins serving the bronchi; empty into the azygos vein
        subtype:  #cardinal_vein  any of the major venous channels in primitive adult vertebrates and in embryos of higher vertebrates
           subtype:  #anterior_cardinal_vein  a major drainage channel from the cephalic part of the body
           subtype:  #posterior_cardinal_vein  a major drainage channel from the caudal part of the body
           subtype:  #common_cardinal_vein  the major return channels to the heart; formed by anastomosis of the anterior and posterior cardinal veins
        subtype:  #central_veins_of_liver__venae_centrales_hepatis__venaecentraleshepati  terminal branches of the hepatic veins that lie in the hepatic lobules and receive blood from the liver sinusoids
        subtype:  #central_vein_of_retina__vena_centrales_retinae  vein formed by the union of the retinal veins; accompanies central arteries of the retina in the optic nerve
        subtype:  #central_vein_of_suprarenal_gland__vena_centralis_glandulae_suprarenalis  a single draining vein; on the right it empties into the inferior vena cava; on the left it empties into the left renal vein
        subtype:  #cephalic_vein__vena_cephalica  a large vein of the arm that empties into the axillary vein
        subtype:  #cerebellar_vein__vena_cerebellum  the veins draining the cerebellum
        subtype:  #cerebral_vein__vena_cerebri  any of several veins serving the cerebral hemispheres of the brain
           subtype:  #anterior_cerebral_vein__vena_cerebri_anterior  accompanies the anterior cerebral artery and empties into the basal vein
           subtype:  #great_cerebral_vein__vena_cerebri_magna  a cerebral vein formed by the two internal cerebral veins and continuing into the sinus rectus
           subtype:  #inferior_cerebral_vein__venae_cerebrum_inferior  veins that drain the undersurface of the cerebral hemispheres and empty into the cavernous and transverse sinuses
           subtype:  #internal_cerebral_vein__vena_cerebrum_internus  two paired veins passing caudally near the midline and uniting to form the great cerebral vein
           subtype:  #middle_cerebral_vein__vena_cerebri_media  either of two cerebral veins
              subtype:  #deep_middle_cerebral_vein  accompanies the middle cerebral artery deep in the Sylvian fissure; empties into the basal vein
              subtype:  #superficial_middle_cerebral_vein  a large vein along the line of the Sylvian fissure to the cavernous sinus
           subtype:  #superior_cerebral_vein__vena_cerebrum_superior  a cerebral vein that drains the dorsal convexity of the cerebral hemisphere and empties into the cavernous sinus
        subtype:  #deep_cervical_vein__cervical_vein__vena_cervicalis_profunda  a vein that accompanies an artery of the same name
        subtype:  #choroid_vein__choroidvein__vena_choroidea  either of two veins serving the choroid coat of the eye
        subtype:  #ciliary_veins__ciliaryvein__venae_ciliares  small veins coming from the ciliary body
        subtype:  #circumflex_vein__vena_circumflexa  any of several curved parallel veins accompanying arteries of the same name
           subtype:  #circumflex_iliac_vein__vena_circumflexa_ilium  accompanies the artery of the same name
           subtype:  #circumflex_femoral_vein__vena_circumflexus_femoris__venacircumflexusfemori  either of two veins that accompany arteries of the same name serving the hip and thigh
        subtype:  #clitoral_vein__vena_clitoridis  veins that serve the clitoris
           subtype:  #venae_profundae_clitoridis  deep veins of the clitoris; join the vesical plexus
           subtype:  #vena_dorsalis_clitoridis_profunda  deep dorsal vein of the clitoris; tributary of the vesical venous plexus
           subtype:  #venae_dorsales_clitoridis_superficiales  superficial dorsal veins of the clitoris; tributaries of the external pudendal vein on either side
        subtype:  #colic_vein__colicvein__vena_colica  vein serving the large intestine
        subtype:  #common_facial_vein  vein formed by union of facial vein and the retromandibular vein and emptying into the jugular vein
        subtype:  #conjunctival_veins__venae_conjunctivales  veins draining the conjunctiva
        subtype:  #costoaxillary_vein__costoaxillaryvein  one of several veins connecting intercostal veins with with the lateral thoracic vein or the thoracoepigastric vein
        subtype:  #cutaneous_vein__cutaneousvein__vena_cutanea  one of a number of veins in the subcutaneous tissue that empty into deep veins
        subtype:  #cystic_vein__vena_cystica  vein that drains the gallbladder
        subtype:  #digital_vein__digitalvein__vena_digitalis  one of the veins serving the fingers or toes
        subtype:  #diploic_vein__diploicvein__venadiploica  one of the veins serving the spongy part of the cranial bones
        subtype:  #dorsal_scapular_vein__vena_scapularis_dorsalis  vein that is a tributary of the subclavian vein or external jugular vein and accompanies the descending scapular artery
        subtype:  #emissary_vein__vena_emissaria  one of several connecting veins in the scalp and head that drain blood from sinuses in the dura mater to veins outside the skull
        subtype:  #epigastric_vein  veins serving the anterior walls of the abdomen
           subtype:  #inferior_epigastric_vein__vena_epigastrica_inferior  empties into the external iliac vein
           subtype:  #superficial_epigastric_vein__vena_epigastrica_superficialis  empties into the great saphenous vein
           subtype:  #superior_epigastric_veins__venae_epigastricae_superiores  veins that accompany the superior epigastric artery
        subtype:  #esophageal_veins__oesophageal_veins__oesophagealvein__venae_esophageae__venaeesophageae  small veins from the esophagus emptying into the brachiocephalic vein or the azygos veins
        subtype:  #ethmoidal_vein__ethmoidalvein__vena_ethmoidalis  veins that drain the ethmoidal sinuses and empty into the superior ophthalmic vein
        subtype:  #external_nasal_vein__vena_nasalis_externa  one of the veins that drain the external nose and empty into the angular or facial vein
        subtype:  #facial_vein__vena_facialis  any of several veins draining the face
           subtype:  #anterior_facial_vein__vena_facialis_anterior  a continuation of the angular vein; unites with the retromandibular vein before emptying into the internal jugular vein
           subtype:  #retromandibular_vein__retromandibularvein__vena_retromandibularis__posterior_facial_vein  posterior branch of the facial vein; formed by temporal veins in front of the ear
        subtype:  #femoral_vein__femoralvein__vena_femoralis  a vein that accompanies the femoral artery in the same sheath; a continuation of the popliteal vein; becomes the external iliac vein
        subtype:  #gastric_vein__gastricvein__vena_gastrica  one of several veins draining the stomach walls
           subtype:  #left_gastric_vein__vena_gastrica_sinistra  arises from a union of veins from the gastric cardia; runs in the lesser omentum; empties into the portal vein
           subtype:  #pyloric_vein__pyloricvein__right_gastric_vein__rightgastricvein__vena_gastrica-dextra  receives veins from the upper surfaces of the stomach and empties into the portal vein
        subtype:  #gastroomental_vein__gastroomentalvein__gastroepiploic_vein__vena_gastroomentalis  one of two veins serving the great curvature of the stomach
        subtype:  #genicular_vein__genicularvein__vena_genus  veins that drain blood from structures around the knee; empty into the popliteal vein
        subtype:  #gluteal_vein__glutealvein__vena_gluteus  veins draining the gluteal muscles on either side of the body
        subtype:  #hemizygos_vein__hemizygosvein__hemizygous_vein__vena_hemizygos  a continuation of the left ascending lumbar vein; crosses the midline at the 8th vertebra and empties into the azygos vein
        subtype:  #hemorrhoidal_vein__rectal_vein__vena_rectalis  any of several veins draining the walls of the anal canal and rectum
        subtype:  #hepatic_vein__hepaticvein__vena_hepatica  a vein that drains the liver; empties into the vena cava
        subtype:  #ileocolic_vein__ileocolicvein__vena_ileocolica  a vein that drains the end of the ileum and the appendix and the cecum and the lower part of the ascending colon
        subtype:  #iliac_vein__iliacvein__vena_iliaca  one of three veins draining the pelvic area
           subtype:  #hypogastric_vein__hypogastricvein__internal_iliac_vein  a vein that unites with the external iliac vein to form the common iliac vein
           subtype:  #external_iliac_vein  a continuation of the femoral vein; unites with the internal iliac vein to form the common iliac vein
           subtype:  #common_iliac_vein  formed by the internal and external iliac veins; unites with its fellow from the opposite side of the body to form the inferior vena cava
        subtype:  #iliolumbar_vein__vena_iliolumbalis  a branch of the internal iliac vein
        subtype:  #intercapitular_vein__vena_intercapitalis  veins connecting the dorsal and palmar veins of the hand or the dorsal and plantar veins of the foot
        subtype:  #intercostal_vein__intercostalvein__vena_intercostalis  several veins draining the intercostal spaces of the rib cage
        subtype:  #intervertebral_vein__vena_intervertebralis  one of several veins accompanying spinal nerves
        subtype:  #jugular_vein__jugularvein__vena_jugularis__jugular  veins in the neck that return blood from the head
           subtype:  #anterior_jugular_vein  arises below the chin from veins draining the lower face; joins the external jugular vein
           subtype:  #external_jugular_vein  formed by the junction of the posterior auricular and the retromandibular veins; empties into the subclavian vein
           subtype:  #internal_jugular_vein  a continuation of the sigmoid sinus of the dura mater; joins the subclavian vein to form the brachiocephalic vein
        subtype:  #labial_vein__vena_labialis  a vein draining the lips of the mouth
           subtype:  #inferior_labial_vein__vena_labialis_inferior  a tributary of the facial vein that drains the lower lip
           subtype:  #superior_labial_vein__vena_labialis_superior  a tributary of the facial vein that drains the upper lip
        subtype:  #vena_labialis__labial_vein  veins draining the lips of the vulva
           subtype:  #venae_labiales_anteriores__anterior_labial_veins  veins from the labia majora to the external pudendal vein
           subtype:  #venae_labiales_posteriores__posterior_labial_veins  veins that pass posterior from the labia majora to the internal pudendal vein
        subtype:  #labyrinthine_vein__internal_auditory_vein  veins that drain the inner ear
        subtype:  #lacrimal_vein__vena_lacrimalis  drains the lacrimal gland; empties into the superior ophthalmic vein
        subtype:  #laryngeal_vein__laryngealvein__vena_laryngea  one of two veins draining the larynx
        subtype:  #lingual_vein__lingualvein__vena_lingualis  a vein that receives blood from the tongue and the floor of the mouth and empties into the internal jugular or the facial vein
        subtype:  #lumbar_vein__vena_lumbalis  veins that drain the posterior body wall and the lumbar vertebral venous plexuses
        subtype:  #maxillary_vein__maxillaryvein__vena_maxillaris  posterior continuation of the pterygoid plexus; joins the superficial temporal vein to form the retromandibular vein
        subtype:  #meningeal_veins__meningealvein__venae_meningeae  veins at accompany the meningeal arteries
        subtype:  #mesenteric_vein__vena_mesenterica  a tributary of the portal vein passing from the intestine between the two layers of mesentery
        subtype:  #metacarpal_vein__vena_metacarpus  dorsal and palmar veins of the hand
        subtype:  #metatarsal_vein__vena_metatarsus  dorsal and plantar branches of veins serving the metatarsal region of the foot
        subtype:  #musculophrenic_vein__vena_musculophrenica  veins that drain the upper abdominal wall and the lower intercostal spaces and the abdomen
        subtype:  #nasofrontal_vein__nasofrontalvein__vena_nasofrontalis  a vein located in the anterior medial part of the orbit; connects the superior ophthalmic with the angular vein
        subtype:  #oblique_vein_of_the_left_atrium__vena_obliqua_atrii_sinistri  a tributary of the coronary sinus; on the posterior wall of the left atrium
        subtype:  #obturator_vein__obturatorvein__vena_obturatoria  a vein formed by the union of tributaries that drain the hip joints and thigh muscles; empties into the internal iliac vein
        subtype:  #occipital_vein__occipitalvein__vena_occipitalis  a vein that drains the occipital region
        subtype:  #ophthalmic_vein__vena_ophthalmica  either of two veins that serve the eye; empties into the cavernous sinus
           subtype:  #inferior_ophthalmic_vein  a vein that drains a venous network in the floor and medial wall of the eye socket
           subtype:  #superior_ophthalmic_vein  a vein that begins at the inner angle of the eye socket and passes through the superior orbital fissure to empty into the cavernous sinus
        subtype:  #ovarian_vein__ovarianvein__vena_ovarica  one of the veins that drain the ovaries; the right opens into the inferior vena cava; the left opens into the left renal vein
        subtype:  #palatine_vein__vena_palatina  a vein that drains the region of the palate and empties into the facial vein
        subtype:  #pancreatic_vein__venae_pancreatica__venaepancreatica  veins draining the pancreas and emptying into the superior mesenteric and splenic veins
        subtype:  #paraumbilical_vein__paraumbilicalvein__vena_paraumbilicalis  small veins arising in skin around the navel; terminate as accessory portal veins
        subtype:  #parotid_vein__parotidvein  parotid branches of the facial vein; drain part of the parotid gland and empty into the retromandibular vein
        subtype:  #pectoral_vein__vena_pectoralis  veins that drain the pectoral muscles and empty into the subclavian vein
        subtype:  #perforating_vein__perforatingvein__venaperforanti  veins that accompany the perforating arteries; drain leg muscles; empty into the deep femoral vein
        subtype:  #pericardial_vein__pericardialvein__venapericardiaca  several small veins from the pericardium
        subtype:  #peroneal_vein__fibular_vein__fibularvein__vena_peroneus  accompany the peroneal arteries; arising in the heel and running up the back of the leg to join the posterior tibial veins of the popliteal vein
        subtype:  #pharyngeal_vein__vena_pharyngeus  veins from the pharyngeal plexus that empty into the internal jugular vein
        subtype:  #phrenic_vein__phrenicvein__vena_phrenica  either of two veins that drain the diaphragm
        subtype:  #popliteal_vein__poplitealvein__vena_poplitea  a vein arising in the knee and ascending to become the femoral vein
        subtype:  #hepatic_portal_vein__portal_vein__vena_portae  a short vein that carries blood into the liver
        subtype:  #posterior_vein_of_the_left_ventricle__vena_posterior_ventriculi_sinistri  arises near the apex of the heart and empties into the coronary sinus
        subtype:  #prepyloric_vein__vena_pylorica  a tributary of the right gastric vein
        subtype:  #pudendal_vein__venae_pudendum__venaepudendum  vein of the pudendum
        subtype:  #pulmonary_vein__pulmonaryvein__vena_pulmonalis  any of four veins that carry arterial blood from the lungs to the left atrium of the heart
           subtype:  #inferior_pulmonary_vein__vena_pulmanalis_inferior  either of two pulmonary veins (left and right) returning blood from the inferior lobes of the lungs
           subtype:  #superior_pulmonary_vein__vena_pulmonalis_superior  either of two pulmonary veins (left and right) returning blood from the superior lobes of the lungs
        subtype:  #radial_vein__vena_radialis  superficial veins ascending the radial side of the forearm; combines with the ulnar veins to form the brachial vein
        subtype:  #renal_vein__renalvein__vena_renalis  veins that accompany renal arteries; open into the vena cava at the level of the 2nd lumbar vertebra
        subtype:  #sacral_vein__vena_sacralis  vein of the sacral region
        subtype:  #saphenous_vein__saphenousvein__vena_saphena  either of two chief superficial veins of the leg that drain blood from the foot
           subtype:  #long_saphenous_vein__great_saphenous_vein__greatsaphenousvein  the longest vein in the body; runs from foot to the groin where it joins the femoral vein
           subtype:  #short_saphenous_vein__shortsaphenousvein  a vein running from the foot up the back of the leg to the knee
        subtype:  #scleral_veins__scleralvein__venae_sclerales__venaesclerale  tributaries of the anterior ciliary veins that drain the sclera of the eye
        subtype:  #scrotal_vein__scrotalvein__vena_scrotalis  veins passing from the scrotum to the pudendal veins
        subtype:  #sigmoid_vein__sigmoidvein__venasigmoideu  tributaries of the inferior mesenteric vein; drains the sigmoid colon
        subtype:  #spinal_vein__vena_spinalis__venaspinali  veins that drain the spinal cord
        subtype:  #splenic_vein__splenicvein__vena_lienalis  a vein formed by several small veins on the surface of the spleen; joins the superior mesenteric to form the portal vein
        subtype:  #sternocleidomastoid_vein__sternocleidomastoidvein__vena_sternocleidomastoidea  drains the sternocleidomastoid muscle; empties into the internal jugular vein
        subtype:  #stylomastoid_vein__vena_stylomastoidea  a vein that drains the tympanic cavity and empties into the retromandibular vein
        subtype:  #subclavian_vein__vena_subclavia  a continuation of the axillary vein; joins the internal jugular to form the brachiocephalic vein
        subtype:  #sublingual_vein__vena_sublingualis  a tributary of the lingual vein
        subtype:  #supraorbital_vein__vena_supraorbitalis  drains the front of the scalp; unites with the supratrochlear vein to form the angular vein
        subtype:  #supratrochlear_vein__vena_supratrochlearis  drains the front of the scalp; unites with the supraorbital vein to form the angular vein
        subtype:  #temporal_vein__vena_temporalis  any of several veins draining the temporal region
           subtype:  #deep_temporal_vein  temporal veins that empty into the pterygoid plexus
           subtype:  #middle_temporal_vein  arises near the eye; joins the superficial temporal veins to form the retromandibular vein
           subtype:  #superficial_temporal_vein  join the middle temporal vein to empty into the retromandibular vein
        subtype:  #testicular_vein__vena_testicularis  a vein from the testicles
        subtype:  #thalamostriate_vein  a vein serving the thalamus and corpus striatum
           subtype:  #superior_thalamostriate_vein  a long vein that helps to form the internal cerebral vein
           subtype:  #inferior_thalamostriate_vein__striate_vein__striatevein  tributaries to the basal vein
        subtype:  #thoracoepigastric_vein__thoracoepigastricvein__vena_thoracoepigastrica  a vein arising from the region of the superficial epigastric vein and opening into the axillary vein or thoracic vein
        subtype:  #thoracic_vein__vena_thoracica  veins that drain the thoracic walls
        subtype:  #thyroid_vein__thyroidvein__vena_thyroidea  any of several small veins draining blood from the thyroid area
           subtype:  #inferior_thyroid_vein  any of several veins on each side that drain the thyroid gland and empty into the innominate vein
           subtype:  #middle_thyroid_vein  a vein on each side that drains the lateral part of the thyroid and empties into the internal jugular vein
           subtype:  #superior_thyroid_vein  a vein on each side that drains the upper part of the thyroid and empties into the internal jugular vein
        subtype:  #tibial_vein__vena_tibialis  veins of the lower leg; empty into the popliteal vein
        subtype:  #tracheal_vein__vena_trachealis  several small veins from the trachea
        subtype:  #tympanic_vein  veins from the tympanic cavity that empty into the retromandibular vein
        subtype:  #ulnar_vein__ulnarvein__vena_ulnaris  any of several veins of the forearm
        subtype:  #umbilical_vein__umbilicalvein__vena_umbilicalis  a vein in the umbilical cord; returns nutrient blood from the placenta to the fetus
        subtype:  #uterine_vein__uterinevein  one of two veins on each side that arise from the uterine plexus and empty into the internal iliac vein
        subtype:  #varicose_vein  a vein that is permanently dilated; most common in the legs
        subtype:  #vena_bulbi_penis  vein of the head of the penis; tributary of the internal pudendal vein that drains the perineum
        subtype:  #vena_canaliculi_cochleae  vein of the cochlear canal
        subtype:  #vein_of_penis  a vein serving the penis
           subtype:  #venae_dorsales_penis_superficiales  superficial dorsal veins of the penis; paired tributaries of the external pudendal veins on each side
           subtype:  #venae_dorsales_penis_profunda  deep dorsal vein of the penis; tributary of the prostatic plexus
           subtype:  #vena_profunda_penis  deep vein of the penis; enters the prostatic plexus
        subtype:  #vena_bulbi_vestibuli  vein of the vestibular bulb
        subtype:  #vena_cava  either of two large veins that return oxygen-depleted blood to the right atrium of the heart
           subtype:  #inferior_vena_cava__postcava  receives blood from lower limbs and abdominal organs and empties into the posterior part of the right atrium of the heart; formed from the union of the two iliac veins
           subtype:  #superior_vena_cava__precava  receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
        subtype:  #venae_palpebrales__venaepalpebrale  veins of the eyelids
        subtype:  #venae_interlobulares_hepatis  interlobular veins of the liver
        subtype:  #venae_renis__venaereni  veins of the kidney; drain the kidney into the renal vein
           subtype:  #venae_interlobulares_renis  interlobular veins of the kidney; receive blood from the arcuate vein and empty into the renal veins
        subtype:  #vertebral_vein__vertebralvein__vena_vertebralis  a vein that goes through the foramina of the cervical vertebrae and forms a plexus around the vertebral artery; empties into the brachiocephalic vein
        subtype:  #vesical_vein__vesicalvein__venavesicali  veins that drain the vesical plexus and join the internal iliac veins
        subtype:  #vestibular_vein__vena_vestibularis  veins that drain the saccule and utricle
        subtype:  #vortex_vein__vorticose_vein__vorticosevein__vena_vorticosum  a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins
        subtype:  #venule__venula__capillary_vein__capillaryvein  a minute vein continuous with a capillary
           subtype:  #episcleral_veins__venae_episclerales  small veins in the sclera near the corneal margin; empty into the anterior ciliary veins
           subtype:  #stellate_venule  a star-shaped group of venules in the renal cortex
     subtype:  #capillary  any of the minute blood vessels connecting arterioles with venules
        subtype:  #glomerulus  a small intertwined group of capillaries in the malpighian body; glomeruli filter blood during urine formation
        subtype:  #tomentum_cerebri__tomentum  a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex

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