• synonyms

cerebral peduncle

  1. The massive bundle of corticofugal nerve fibers passing longitudinally over the ventral surface of the midbrain on each side of the midline.
  2. Either of the two halves of the midbrain connecting the forebrain to the hindbrain.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.