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pectoral nerve in Medicine

pectoral nerve

n.
  1. Either of two nerves, designated medial and lateral, that arise from the brachial plexus and pass to the pectoral muscles.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.