protoporphyrin
/ (ˌprəʊtəʊˈpɔːfɪrɪn) /
noun
a type of porphyrin that, when combined with an iron atom, forms haem, the oxygen-bearing prosthetic group of the red blood pigment haemoglobin
Words nearby protoporphyrin
protoplasmic astrocyte,
protoplast,
protopodite,
protopope,
protoporphyria,
protoporphyrin,
protoporphyrin ix,
protopresbyter,
protosemitic,
protospasm,
protostar
Medical definitions for protoporphyrin
protoporphyrin
[ prō′tō-pôr′fə-rĭn ]
n.
A metal-free porphyrin that combines with iron to form the heme of iron-containing proteins.