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collateral sulcus

collateral sulcus in Medicine

collateral sulcus n.
A long, deep sagittal fissure on the undersurface of the temporal lobe of the brain, marking the border between the fusiform gyrus on its lateral side and the hippocampal and lingual gyri on its medial side. Also called collateral fissure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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