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Medical Definition of Hyperacanthosis
1. An increase in the thickness of the stratum spinosum of the epidermis. Synonym: hyperacanthosis. Origin: acantho-+ G. -osis, condition (05 Mar 2000)
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1. An increase in the thickness of the stratum spinosum of the epidermis. Synonym: hyperacanthosis. Origin: acantho-+ G. -osis, condition (05 Mar 2000)