acanthosis nigricans

English

Etymology

Via Latin ultimately from Ancient Greek ἄκανθος (ákanthos, “thorny flower”) + -ωσις (-ōsis, “state, abnormal condition, or action”) + Latin nigricans (“blackish”).

Pronunciation

• (US) IPA^(key): /æˌkænˈθoʊ.sɪs/ + IPA^(key): /ˈnɪɡ.ɹɪˌkænz/, /ˈnaɪɡ.ɹɪˌkænz/

Noun

acanthosis nigricans (uncountable)

1. (pathology) A skin sign often associated with insulin resistance and type 2 diabetes exhibiting velvety, thickened, and darkened skin and skin tags, often occurring in skin folds and the axillae.