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Definition of Vena basalis
1. Noun. A large vein passing along the medial surface of the temporal lobe and emptying into the great cerebral vein.
Medical Definition of Vena basalis
1. A large vein passing caudally and dorsally along the medial surface of the temporal lobe from which it receives tributaries; it empties into the great cerebral vein (of Galen) from the lateral side. Synonym: vena basalis, Rosenthal's vein. (05 Mar 2000)