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seborrheic keratosis in Medicine

seborrheic keratosis

n.
  1. A superficial, benign, verrucose lesion consisting of proliferating epidermal cells enclosing horn cysts, usually appearing on the face, trunk, or extremities in adulthood.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.