释义 |
porphobilinogen noun (-s) Etymology: probably from porphyrin + -o- + bili- + -in + -o- + gen : a dicarboxylic acid H2NCH2(C4H2N)(CH2COOH)CH2CH2COOH that is derived from pyrrole and formed from two molecules of delta-amino-levulinic acid, that is found in the urine in acute porphyria, and that on condensation of four molecules yields uroporphyrin and other porphyrins |