habenula

habenula /ha·ben·u·la/ (hah-ben´u-lah) pl. haben´ulae   [L.]

1. a frenulum, or reinlike structure, such as one of a set of structures in the cochlea.

2. a small eminence on the dorsomedial surface of the thalamus, just in front of the posterior commissure.haben´ular

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ha·ben·u·la (h-bny-l)

n. pl. ha·ben·u·lae (-l)

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.

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ha·benu·lar adj.

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habenula

pl. habenulae [L.]

1. any frenulum, especially one of a series of structures in the cochlea.

2. a triangular area in the dorsomedial aspect of the thalamus rostral to the pineal gland.