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[in-fuhn-dib-yuh-luh m] /ˌɪn fʌnˈdɪb yə ləm/
noun, plural infundibula
[in-fuhn-dib-yuh-luh] /ˌɪn fʌnˈdɪb yə lə/ (Show IPA).
a funnel-shaped organ or part.
a funnel-shaped extension of the hypothalamus connecting the pituitary gland to the base of the brain.
a space in the right ventricle at the base of the pulmonary artery.
Origin of infundibulum
1700-10; < New Latin, Latin: funnel, equivalent to infundi- (stem of infundere to pour into; see in-2, found3) + -bulum instrumental suffix; cf. infuse
Related forms
infundibular, infundibulate
[in-fuhn-dib-yuh-leyt] /ˌɪn fʌnˈdɪb yəˌleɪt/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Historical Examples
British Dictionary definitions for infundibular


Word Origin
C18: from infundibulum


noun (pl) -la (-lə)
(anatomy) any funnel-shaped part, esp the stalk connecting the pituitary gland to the base of the brain
Derived Forms
infundibulate, adjective
Word Origin
C18: from Latin: funnel, from infundere to infuse
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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Word Origin and History for infundibular



1799 in the anatomical sense, from Latin infundibulum, literally "a funnel," from infundere "to pour into" (see infuse) + -bulum, suffix forming names of instruments. In some cases a loan-translation into Latin of Greek khoane "funnel." Related: Infundibular.

Online Etymology Dictionary, © 2010 Douglas Harper
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infundibular in Medicine

infundibulum in·fun·dib·u·lum (ĭn'fən-dĭb'yə-ləm)
n. pl. in·fun·dib·u·la (-lə)

  1. A funnel or funnel-shaped structure or passage.

  2. The infundibulum of the fallopian tube.

  3. The expanding portion of a calix as it opens into the pelvis of the kidney.

  4. See conus arteriosus.

  5. A termination of a bronchiole in the alveolus.

  6. Termination of the cochlear canal beneath the cupola.

  7. The funnel-shaped, unpaired prominence of the base of the hypothalamus behind the optic chiasm, continuous below with the stalk of the pituitary gland.

in'fun·dib'u·lar (-lər) or in'fun·dib'u·late' (-lāt', -lĭt) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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