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crus of diaphragm in Medicine

crus of diaphragm

n.
  1. Any of the muscular origins of the diaphragm from the bodies of the upper lumbar vertebrae that pass the aorta upward to the central tendon.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.