#axial_skeleton__axialskeleton the part of the skeleton that includes the skull and spinal column and sternum and ribs
supertype: skeletal_structure any structure created by the skeleton of an organism
part of: endoskeleton
part: sternum the flat bone that articulates with the clavicles and the first seven pairs of ribs
part: corpus_sternum__gladiolus__gladiolu the large central part of the breastbone
part: manubrium the upper part of the breastbone
part: xiphoid_process__xiphoidproces smallest of the three parts of the breastbone; articulates with the corpus sternum and the seventh rib
part: skull the bony skeleton of the head of vertebrates
part: craniometric_point a landmark on the skull from which craniometric measurements can be taken
part: cheekbone__zygomatic_bone__zygomaticbone__mala__malar_bone__malarbone__jugal_bone__jugalbone__os_zygomaticum the arch of bone beneath the eye that forms the prominence of the cheek
part: jugale__jugal_point__jugalpoint the craniometric point at the union of the frontal and temporal processes of the zygomatic bone
part: zygoma__zygomatic_arch__zygomaticarch__arcus_zygomaticus__arcuszygomaticu the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone
part: zygomatic_process__zygomaticproces a slender process of the temporal bone that strengthens the zygomatic arch
part: sphenoid_bone__sphenoid__os_sphenoidale butterfly-shaped bone at the base of the skull
part: crotaphion the tip of the greater wing of the sphenoid bone
part: pterygoid_process__pterygoidproces two bony processes descending from the body of the sphenoid bone
part: eye_socket__eyesocket__orbit__cranial_orbit__cranialorbit__orbital_cavity__orbitalcavity the bony cavity in the skull containing the eyeball
part: lacrimal_bone small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts
part: endocranium membrane lining the inside of the skull
part: cranium__braincase__brainpan the part of the skull that encloses the brain
part: asterion the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture
part: stephanion the craniometric point on the coronal suture above the acoustic meatus
part: ethmoid_bone__ethmoidbone__ethmoid one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity
part: temporal_bone__os_temporale a thick bone forming the side of the human cranium and encasing the inner ear
part: glenoid_fossa__glenoidfossa__mandibular_fossa a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible
part: tympanic_bone the bone enclosing the middle ear
part: mastoid_process__mastoidproces__mastoid__mastoidal process of the temporal bone behind the ear at the base of the skull
part: mastoidale the craniometric point at the lowest point of the mastoid process
part: styloid_process extends from the base of the temporal bone
part: calvaria__skullcap the dome of the skull
part: frontal_bone__frontalbone__os_frontale__forehead the large cranial bone forming the front part of the cranium: the forehead and the upper part of the orbits
part: glabella__mesophyron a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges
part: metopion the craniometric point midway between the frontal eminences of the skull
part: ophryon the craniometric point in the midline of the forehead immediately above the orbits
part: frontal_eminence__frontaleminence either prominence of the frontal bone above each orbit
part: parietal_bone either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium
part: entomion the craniometric point at the tip of the mastoid angle of the parietal bone
part: sphenion the anterior tip of the parietal bone
part: occipital_bone__occipitalbone a saucer-shaped membrane bone that forms the back of the skull
part: inion the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
part: occipital_protuberance__occipitalprotuberance prominence on the outer surface of the occipital bone
part: coronal_suture__coronalsuture__sutura_coronalis the suture between the parietal and frontal bones of the skull
part: frontal_suture__frontalsuture__sutura_frontalis the suture between two halves of the frontal bone (usually obliterated by the age of 6)
part: lamboid_suture__lamboidsuture__sutura_lamboidea the suture between the occipital and parietal bones
part: occipitomastoid_suture__occipitomastoidsuture the suture between the occipital and the temporal bones; a continuation of the lamboid suture
part: parietomastoid_suture the suture between the parietal and the temporal bones
part: sagittal_suture__interparietal_suture__interparietalsuture__sutura_sagittalis the suture uniting the two parietal bones
part: fontanelle__fontanel__soft_spot any membranous gap between the bones of the cranium in an infant or fetus
part: foramen_magnum__foramenmagnum the large opening at the base of the cranium through which the spinal cord passes
part: jaw the part of the skull of a vertebrate that frames the mouth and holds the teeth
part: lower_jaw__lowerjaw__mandible__mandibula__submaxilla__lower_jawbone__lowerjawbone__jawbone__jowl the lower jawbone in vertebrates; it is hinged to open the mouth
part: gnathion the most inferior point of the mandible in the midline
part: gonion the craniometric point on either side at the apex of the lower jaw
part: mandibular_notch small indentation in the middle of the lower jawbone
part: pogonion the craniometric point that is the most forward-projecting point on the anterior surface of the chin
part: symphysion the most forward point of the alveolar process of the mandible
part: condylar_process__condyloid_process__condyloidproces__mandibular_condyle the condyle of the ramus of the mandible that articulates with the skull
part: coronoid_process_of_the_mandible the coronoid process that provides an attachment for the temporal muscle
part: coronion the craniometric point at the tip of the coronoid process of the mandible
part: upper_jaw__upperjaw__upper_jawbone__upperjawbone__maxilla the upper jawbone in vertebrates ; it is fused to the cranium
part: hard_palate the bony part of the roof of the mouth
part: intermaxillary_suture__sutura_intermaxillaris the suture between the two maxillae of the upper jawbone
part: alveolar_arch the part of the upper or lower jawbones in which the teeth are set
part: alveolar_ridge__gum_ridge__gumridge__alveolar_process a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth
part: tooth_socket__toothsocket__alveolus a bony socket in the alveolar ridge that holds a tooth
part: alveolar_artery__arteria_alveolaris a branch of the maxillary artery that supplies the alveolar process
part: vomer thin trapezoidal bone of the skull forming the posterior and inferior parts of the nasal septum
part: rib_cage__ribcage the bony enclosing wall of the chest
part: spinal_column__vertebral_column__vertebralcolumn__spine__backbone__back__rachis the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"
part: spinal_canal__vertebral_canal__vertebralcanal__canalis_vertebralis__canalisvertebrali the canal in successive vertebrae through which the spinal cord passes
part: coccyx__tail_bone the end of the vertebral column in humans and tailless apes
part: coccygeal_vertebra__coccygealvertebra__caudal_vertebra one of 4 vertebrae in the human coccyx
part: vertebra one of the bony segments of the spinal column
part: centrum the main body of a vertebra
part: hemal_arch__hemalarch__haemal_arch a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
part: neural_arch__vertebral_arch__vertebralarch a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
part: apophysis__apophysi (anatomy) a natural outgrowth or projection on an organ or part such as the process of a vertebra
part: transverse_process one of two processes that extend from each vertebra and provide the point of articulation for the ribs
part: intervertebral_disc__intervertebral_disk a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two)
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