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definitions

shagreen skin

[shə-grēn′]
n.
  1. An oval patch of thickened, smooth or crinkled, sometimes pigmented skin appearing on the trunk or lower back in early childhood in association with tuberous sclerosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.