Understanding pigmentary abnormalities.
D000368:Aged; D006801:Humans; D007249:Inflammation / Q000150:complications; D007911:Lentigo / Q000209:etiology; D008548:Melanosis / Q000209:etiology; D010859:Pigmentation Disorders / Q000209:etiology*; D011693:Purpura / Q000209:etiology