subcallosal gyrus

[sŭb′kə-lōsəl]
n.
  1. A slender vertical whitish band immediately anterior to the anterior commissure of the brain.paraterminal gyrus peduncle of corpus callosum
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.