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[huh-ben-yuh-luh] /həˈbɛn yə lə/
noun, plural habenulae
[huh-ben-yuh-lee] /həˈbɛn yəˌli/ (Show IPA).
a narrow bandlike structure, as the stalk attaching the pineal gland to the thalamus.
Origin of habenula
1875-80; < Latin: small strip of skin, equivalent to habēn(a) strap, thong, rein (derivative of habēre to have, hold, possess; cf. able, habit1) + -ula -ule
Related forms
habenular, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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habenula in Medicine

habenula ha·ben·u·la (hā-běn'yə-lə)
n. pl. ha·ben·u·lae (-lē')

  1. A frenulum.

  2. The stalk of the pineal gland. No longer in technical use.

  3. A circumscript cell mass embedded in the posterior end of the medullary stria of the thalamus, from which it receives most of its afferent fibers. Also called habena, pedunculus of pineal body.

ha·ben'u·lar 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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