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