Not to be confused with acantholysis or acanthocyte.

Acanthosis is diffuse epidermal hyperplasia (thickening of the skin).[1] It implies increased thickness of the Malpighian layer (stratum basale and stratum spinosum).[2]

See also


  1. Kumar, Vinay; Fausto, Nelso; Abbas, Abul (2004) Robbins & Cotran Pathologic Basis of Disease (7th ed.). Saunders. Page 1230. ISBN 0-7216-0187-1.
  2. M. S. Stone; T. L. Ray (September 1995). "Acanthosis". DermPathTutor. Department of Dermatology, University of Iowa. Retrieved 17 May 2012.
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