procerus muscle
(prō-sîr′əs)- A muscle with origin from the membrane covering the bridge of the nose, with insertion into the frontal bone, with nerve supply from a branch of the facial nerve, and whose action assists the frontal bone.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.