Medical dictionary. 2011.
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gyrus — One of the prominent rounded elevations that form the cerebral hemispheres, each consisting of an exposed superficial portion and a portion hidden from view in the wall and floor of the sulcus. [L. fr. G. gyros, circle] angular g. [TA] a folded… … Medical dictionary
Posterior cerebral artery — Artery: Posterior cerebral artery Outer surface of cerebral hemisphere, showing areas supplied by cerebral arteries. (Yellow is region supplied by posterior cerebral artery.) … Wikipedia