noun, plural ha·ben·u·lae [huh-ben-yuh-lee] /həˈbɛn yəˌli/. Anatomy.
  1. 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 formsha·ben·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

habenula in Medicine


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.habena pedunculus of pineal body
Related formsha•benu•lar adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.