Acanthosis nigricans is a brown to black, poorly defined, velvety hyperpigmentation of the skin. It is usually found in body folds, such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead, and other areas.
近义、反义、联想词
近义词
n.
skin disease, disease of the skin, skin disorder, skin problem, skin condition
英英词典
acanthosis nigricans n.
a skin disease characterized by dark wartlike patches in the body folds; can be benign or malignant