| 释义 |
uro·por·phy·rin
\|yu̇rō+\ noun
Etymology: International Scientific Vocabulary ur- (I) + porphyrin
: any of four isomeric porphyrins C20H6N4(CH2COOH)4(CH2CH2COOH)4 which contain acetic acid and propionic acid groups on the porphin nucleus and are closely related to the coproporphyrins and of which types I and III are found in urine especially in porphyria and type III is found also as the copper complex turacin |