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cleavage line in Medicine

cleavage line

n.
  1. Any of the various linear openings that occur when a pin is driven into the skin of a cadaver, whose appearance depends on the axis of orientation of the subcutaneous connective tissue fibers and whose direction varies with the region of the body surface.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.