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long elevator muscle of rib in Medicine

long elevator muscle of rib

n.
  1. Any of the muscles with insertion into the second rib below their origin, with nerve supply from the intercostal nerve, and whose actions raise the ribs.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.