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subcostal nerve in Medicine

subcostal nerve

n.
  1. The ventral branch of the 12th thoracic nerve, supplying parts of the abdominal muscles and giving off cutaneous branches to the skin of the lower abdominal wall and to the gluteal region.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.