#exocrine_gland__duct_gland  a gland that secretes externally through a duct
  supertype:  gland__secretory_organ__secretoryorgan__secretor__secreter  any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
  subtype:  oil_gland__oilgland  a gland that secretes oil
     subtype:  uropygial_gland__preen_gland  oil-secreting gland situated at the base of the tail in most birds
     subtype:  sebaceous_gland__sebaceousgland__sebaceous_follicle__sebaceousfollicle__glandulae_sebaceae__glandulaesebaceae  a cutaneous gland that secretes sebum (usually into a hair follicle) for lubricating hair and skin
        subtype:  Meibomian_gland__tarsal_gland  a long sebaceous gland that lubricates the eyelids; "bacterial infection of a Meibomian gland produces a stye"
        subtype:  Montgomery's_tubercle  one of the sebaceous glands on the areolae of the breast that lubricate the breast during breast-feeding
  subtype:  sweat_gland__sweatgland__sudoriferous_gland  any of the glands in the skin that secrete perspiration
     subtype:  apocrine_gland  a large sweat gland that produces both a fluid and an apocrine secretion; in human beings located in hairy regions of the body
     subtype:  eccrine_gland__eccrinegland  a small sweat gland the produces only a fluid; restricted to the human skin
  subtype:  lacrimal_gland__lachrymal_gland__lachrymalgland__tear_gland  any of the glands in the eyes that secrete tears
  subtype:  pancreas  a large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin
  subtype:  Cowper's_gland__bulbourethral_gland__bulbourethralgland  either of two glands that discharge a component of seminal fluid into the urethra; homologous to Bartholin's gland in the female
  subtype:  cervical_glands_of_the_uterus__cervical_glands__glandulae_cervicales_uteri  mucus-secreting glands in the mucosa of the uterine cervix
  subtype:  digestive_gland__digestivegland  any gland having ducts that pour secretions into the digestive tract
  subtype:  salivary_gland  any of three pairs of glands in the mouth and digestive system that secrete saliva for digestion
     subtype:  parotid_gland__parotidgland  a large salivary gland that produces 50% of daytime saliva; in human beings it is located in front of and below each ear
     subtype:  sublingual_gland__sublingual_salivary_gland  a small salivary gland that produces mucin (the viscous component of saliva); in human beings it is located on either side of the mouth under the tongue
     subtype:  submaxillary_gland__submaxillary_salivary_gland__submandibular_gland__submandibulargland__submandibular_salivary_gland__mandibular_gland  a salivary gland inside the lower jaw on either side that produces most of the nocturnal saliva; discharges saliva into the mouth under the tongue
  subtype:  mammary_gland__mammarygland__mamma  milk-secreting organ of female mammals
     subtype:  dug  an udder or breast or teat
     subtype:  udder__bag  mammary gland of bovids (cows and sheep and goats)
     subtype:  tit__breast__bosom__knocker__titty  either of two soft fleshy milk-secreting glandular organs on the chest of a woman
  subtype:  nabothian_gland__nabothiangland  one of many small glands of the uterine cervix that secrete mucus
  subtype:  vestibular_gland  a gland that opens into the vestibule of the vagina; secretions lubricate the vagina during coitus
     subtype:  Bartholin's_gland  either of the two posterior vestibular glands that secrete a lubricating mucus; homologous to Cowper's gland in the male

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