Protoporphyria
protoporphyria pro·to·por·phyr·i·a (prō’tō-pôr-fēr’ē-ə)
n.
Enhanced fecal excretion of protoporphyrin.
Read Also:
- Protoporphyrin
/ˌprəʊtəʊˈpɔːfɪrɪn/ noun 1. a type of porphyrin that, when combined with an iron atom, forms haem, the oxygen-bearing prosthetic group of the red blood pigment haemoglobin protoporphyrin pro·to·por·phy·rin (prō’tō-pôr’fə-rĭn) n. A metal-free porphyrin that combines with iron to form the heme of iron-containing proteins.
- Protoporphyrin ix
protoporphyrin IX n. A porphyrin derivative that combines with ferrous iron to form the heme of hemoglobin and with ferric or ferrous iron to form the prosthetic groups of substances such as myoglobin, catalase, and the cytochromes.
- Protopresbyter
[proh-toh-prez-bi-ter, -pres-] /ˌproʊ toʊˈprɛz bɪ tər, -ˈprɛs-/ noun, Eastern Church. 1. a title given to distinguished priests. 2. protopope.
- Protoscience
noun a set of beliefs or theories that have not yet been tested adequately by the scientific method but which are otherwise consistent with existing science; a new science working to establish itself as legitimate science Examples Astrobiology and memetics are often considered protosciences. Word Origin 2000-2004
- Protosemitic
/ˌprəʊtəʊsɪˈmɪtɪk/ noun 1. the hypothetical parent language of the Semitic group of languages