Canadian Medical Guide > Anatomy > Nervous System > Central Nervous System > Brain > Limbic System > Epithalamus Terms and Definitions




Epithalamus

Medical Definition: The dorsal posterior subdivision of the diencephalon. The epithalamus is generally considered to include the habenular nuclei (HABENULA) and associated fiber bundles, the PINEAL BODY, and the epithelial roof of the third ventricle. The anterior and posterior paraventricular nuclei of the thalamus are included with the THALAMIC NUCLEI although they develop from the same pronuclear mass as the epithalamic nuclei and are sometimes considered part of the epithalamus.
Epithalamus Categories.
Canadian Medical Guide Definition Habenula - A small protuberance at the dorsal, posterior corner of the wall of the third ventricle, adjacent to the dorsal thalamus and pineal body. It contains the habenular nuclei and is a major part of the epithalamus. (From Lockard, Desk Reference for Neuroscience, 2nd ed, p121)

Epithalamus Medical Definitions and Terms

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