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[hahy-pof-uh-sis, hi-] /haɪˈpɒf ə sɪs, hɪ-/
noun, plural hypophyses
[hahy-pof-uh-seez, hi-] /haɪˈpɒf əˌsiz, hɪ-/ (Show IPA).
Origin of hypophysis
1700-10; < Greek hypóphysis outgrowth (from below), equivalent to hypophȳ́(ein) to grow beneath (hypo- hypo- + phȳ́ein to grow, be) + -sis -sis
Related forms
hypophyseal, hypophysial
[hahy-pof-uh-see-uh l, -zee-, hi-] /haɪˌpɒf əˈsi əl, -ˈzi-, hɪ-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for hypophysis
Historical Examples
  • It is just cephalad to the anterior end of the pharynx and to the hypophysis.

  • This, also, was Cunningham's view as far as the tube of the hypophysis was concerned.

    The Origin of Vertebrates Walter Holbrook Gaskell
  • Beard put forward also the ingenious theory that the hypophysis represents the old Annelidan mouth.

    Form and Function E. S. (Edward Stuart) Russell
  • With this idea Ingier added thyroid, hypophysis, thymus and parathyroid to the food of guinea-pigs, or gave it parenterally.

    Scurvy Past and Present Alfred Fabian Hess
  • From its lower surface is suspended the hypophysis or pituitary gland.

  • It may also suffice merely to call attention to the connection between acromegaly and the hypophysis.

  • Opening ventrally is a tube called the tube of the hypophysis, Hy., which extends close up to the termination of the infundibulum.

    The Origin of Vertebrates Walter Holbrook Gaskell
  • The nasal tube originally opened ventrally, and was at that period of development known as the tube of the hypophysis.

    The Origin of Vertebrates Walter Holbrook Gaskell
British Dictionary definitions for hypophysis


noun (pl) -ses (-ˌsiːz)
the technical name for pituitary gland
Derived Forms
hypophyseal, hypophysial (ˌhaɪpəˈfɪzɪəl; haɪˌpɒfɪˈsɪəl) adjective
Word Origin
C18: from Greek: outgrowth, from hypo- + phuein to grow
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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hypophysis in Medicine

hypophysis hy·poph·y·sis (hī-pŏf'ĭ-sĭs)
n. pl. hy·poph·y·ses (-sēz')
See pituitary 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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