(pōr'fō-bī'lin), General term denoting intermediates between the monopyrrole, porphobilinogen, and the cyclic tetrapyrrole of heme (a porphin derivative). See also: bilin.
por·pho·bi·lin
(pōr'fō-bī'lin) General term denoting intermediates between the monopyrrole, porphobilinogen, and the cyclic tetrapyrrole of heme (a porphin derivative).