Internal cerebral veins

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Vein: Internal cerebral veins
Coronal section of lateral and third ventricles.
Velum interpositum. (Internal cerebral veins not labeled, but visible draining into great cerebral vein.)
Latin venae internae cerebri
Gray's p.653
Drains to great cerebral vein
Artery cerebral arteries
Internal cerebral veins

The internal cerebral veins (deep cerebral veins) drain the deep parts of the hemisphere and are two in number; each is formed near the Interventricular foramen by the union of the terminal and choroid veins.

They run backward parallel with one another, between the layers of the tela chorioidea of the third ventricle, and beneath the splenium of the corpus callosum, where they unite to form a short trunk, the great cerebral vein of Galen; just before their union each receives the corresponding basal vein.

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This article incorporates text from a public domain edition of Gray's Anatomy.