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[noo r-oh-hahy-pof-uh-sis, -hi-, nyoo r-] /ˌnʊər oʊ haɪˈpɒf ə sɪs, -hɪ-, ˌnyʊər-/
noun, plural neurohypophyses
[noo r-oh-hahy-pof-uh-seez, -hi-, nyoo r-] /ˌnʊər oʊ haɪˈpɒf əˌsiz, -hɪ-, ˌnyʊər-/ (Show IPA).
See under pituitary gland.
Origin of neurohypophysis
1910-15; neuro- + hypophysis
Related forms
[noo r-oh-hahy-puh-fiz-ee-uh l, -hip-uh-, -hahy-pof-uh-see-uh l, -hi-, nyoo r-] /ˌnʊər oʊˌhaɪ pəˈfɪz i əl, -ˌhɪp ə-, -haɪˌpɒf əˈsi əl, -hɪ-, ˌnyʊər-/ (Show IPA),

pituitary gland

noun, Anatomy.
a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
Also called hypophysis.
1605-15 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for neurohypophysis


noun (pl) -ses (-ˌsiːz)
the posterior lobe of the pituitary gland Compare adenohypophysis

pituitary gland

the master endocrine gland, attached by a stalk to the base of the brain. Its two lobes (the adenohypophysis and neurohypophysis) secrete hormones affecting skeletal growth, development of the sex glands, and the functioning of the other endocrine glands Also called hypophysis, hypophysis cerebri See also adenohypophysis, neurohypophysis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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neurohypophysis in Medicine

neurohypophysis neu·ro·hy·poph·y·sis (nur'ō-hī-pŏf'ĭ-sĭs, -hĭ-, nyur'-)
n. pl neu·ro·hy·poph·y·ses (-sēz')
The posterior portion of the pituitary gland, having a rich supply of nerve fibers and releasing oxytocin and vasopressin. Also called posterior lobe of hypophysis.

neu'ro·hy'po·phys'e·al or neu'ro·hy'po·phys'i·al (-hī'pə-fĭz'ē-əl, -hĭp'ə-, -hĭ-pŏf'ə-sē'əl) adj.

pituitary gland n.
A small, oval endocrine gland attached to the base of the vertebrate brain and consisting of an anterior and a posterior lobe, the secretions of which control the other endocrine glands and influence growth, metabolism, and maturation. Also called hypophysis, master gland.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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neurohypophysis in Science
pituitary gland
A gland at the base of the brain in vertebrate animals that is divided into two regions, anterior and posterior, each of which secretes important hormones. The anterior portion, whose secretions are directly controlled by the hypothalamus, produces hormones that regulate the function of most of the body's hormone-producing glands and organs, including the thyroid and adrenal glands. Growth hormone is also produced by the anterior pituitary. The posterior pituitary releases antidiuretic hormone (ADH) and oxytocin.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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neurohypophysis in Culture
pituitary gland [(pi-tooh-uh-ter-ee)]

A small gland, attached to the base of the brain and controlled by the hypothalamus, that functions in the endocrine system. The pituitary gland secretes many hormones: some control the actions of other glands, whereas others influence growth, metabolism, and reproduction.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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