Medical Dictionary

uroporphyrin

noun uro·por·phy·rin \ˌyr-ō-ˈpr-fə-rən\

Medical Definition of UROPORPHYRIN

:  any of four isomeric porphyrins C40H38N4O16 which contain acetic acid and propionic acid groups on the porphin nucleus and are closely related to the coproporphyrins

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