acanthosis nigricans
Medicine and Pathology
noun
A disorder characterized by thickening and darkening of the skin, often with wart-like excrescences, typically affecting the armpits, groin, and other areas with folds of skin, and often occurring in persons with cancer or endocrine disease.
Origin
Late 19th century. From scientific Latin acanthosis nigricans from acanthosis + classical Latin nigricāns.
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