infundibulum

[in-fuhn-dib-yuh-luh m]
noun, plural in·fun·dib·u·la [in-fuhn-dib-yuh-luh] /ˌɪn fʌnˈdɪb yə lə/. Anatomy.
  1. a funnel-shaped organ or part.
  2. a funnel-shaped extension of the hypothalamus connecting the pituitary gland to the base of the brain.
  3. 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 formsin·fun·dib·u·lar, in·fun·dib·u·late [in-fuhn-dib-yuh-leyt] /ˌɪn fʌnˈdɪb yəˌleɪt/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for infundibulum

infundibulum

noun plural -la (-lə)
  1. anatomy any funnel-shaped part, esp the stalk connecting the pituitary gland to the base of the brain
Derived Formsinfundibulate, adjective

Word Origin for infundibulum

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

Word Origin and History for infundibulum
n.

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

infundibulum in Medicine

infundibulum

[ĭn′fən-dĭbyə-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. 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.
Related formsin′fun•dibu•lar (-lər) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.