- a convolution on the inner surface of the temporal lobe of the cerebrum, bordering the hippocampus.
Origin of hippocampal gyrus
First recorded in 1880–85
Also called hippocampal convolution.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.