coproporphyrin

noun
cop·​ro·​por·​phy·​rin | \ ˌkäp-rə-ˈpȯr-fə-rən How to pronounce coproporphyrin (audio) \

Medical Definition of coproporphyrin

: any of four isomeric porphyrins C36H38N4O8 of which types I and III are found in feces and urine especially in certain pathological conditions and also in yeast

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