smaller pectoral muscle

Medical Dictionary

smaller pectoral muscle n.
A muscle with origin from the third to the fifth ribs, with insertion into the coracoid process of the scapula, with nerve supply from the anterior thoracic nerve, and whose action lowers the scapula or raises the ribs.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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WordNet
smaller pectoral muscle

noun
a skeletal muscle that draws down the scapula or raises the ribs [syn: pectoralis minor
WordNet® 3.0, © 2006 by Princeton University.
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