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Syllabification: pi·tu·i·tar·y
Pronunciation: /pəˈt(y)o͞oəˌterē

Definition of pituitary in English:

noun (plural pituitaries)

(in full pituitary gland or pituitary body)
The major endocrine gland. A pea-sized body attached to the base of the brain, the pituitary is important in controlling growth and development and the functioning of the other endocrine glands. Also called hypophysis.
Example sentences
  • This hormone stimulates the pituitary, another endocrine gland near the brain, to secrete adrenocorticotropic hormone.
  • Tadpole pituitaries secrete thyroid-stimulating hormone in response to CRH.
  • The pituitary is a pea-sized gland situated near the base of the skull.


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Relating to the pituitary gland.
Example sentences
  • Common nervous system manifestations include facial palsies, and hypothalamic and pituitary lesions.
  • The cytologic and architectural features of these tumors are reminiscent of those of the normal posterior pituitary lobe.
  • The basisphenoid bears a deep, central depression at this point called the sella turcica or pituitary fossa.


early 17th century: from Latin pituitarius 'secreting phlegm', from pituita 'phlegm'.

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