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pectineal muscle

n.
  1. A muscle with origin from the crest of the pubis, with insertion into the pectineal line of the femur, with nerve supply from the obturator and femoral nerves, and whose action adducts the thigh and assists in flexion.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.