< /həˈbɛn yəˌli/. Anatomy.

  1. a narrow bandlike structure, as the stalk attaching the pineal gland to the thalamus.

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

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