A black pigment occasionally found in the urine, possibly a decomposition product of urochrome.
Farlex Partner Medical Dictionary © Farlex 2012
uromelanin(ū-rō-mĕl′ăn-ĭn) [″ + melas, black]
A black pigment occurring in urine resulting from the decomposition of urochrome.
Medical Dictionary, © 2009 Farlex and Partners