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anterior scalene muscle in Medicine

anterior scalene muscle

n.
  1. A muscle with origin from the anterior tubercles of the transverse processes of the third to the sixth cervical vertebrae, with insertion into the scalene tubercle of the first rib, with nerve supply from the cervical plexus, and whose action raises the first rib.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.