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Definition of Acanthosis
1. Noun. An abnormal but benign thickening of the prickle-cell layer of the skin (as in psoriasis).
Generic synonyms: Disease Of The Skin, Skin Disease, Skin Disorder
Group relationships: Psoriasis
Derivative terms: Acanthotic
Group relationships: Psoriasis
Derivative terms: Acanthotic
Medical Definition of Acanthosis
1. An increase in the thickness of the stratum spinosum of the epidermis. Synonym: hyperacanthosis. Origin: acantho-+ G. -osis, condition (05 Mar 2000)