- uroporphyrin
- n.a porphyrin that plays an intermediate role in the synthesis of protoporphyrin IX. It is excreted in significant amounts in the urine in porphyria.
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uroporphyrin
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uroporphyrin — 1. Porphyrin excreted in the urine in porphyrinuria; e.g., urobilin. 2. Class name for all porphyrins containing 4 acetic acid groups and 4 propionic acid groups in positions 1 through 8. SEE ALSO: porphyrinogens. u. I porphin 1,3,5,7 tetraacetic … Medical dictionary
Uroporphyrin — U|ro|por|phy|rin [↑ ur (1)]: ↑ Porphyrin. * * * Uro|porphyrin das, s, Zwischenprodukt der Porphyrinbiosynthese; im Organismus in pathologischen Fällen (Porphyrie) vermehrt in Harn und Kot … Universal-Lexikon
uroporphyrin — uro·por·phy·rin … English syllables
uroporphyrin — |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… … Useful english dictionary
Уропорфирин (Uroporphyrin) — порфирин, играющий промежуточную роль в процессе синтеза протопорфирина IX. При порфирии уропорфирин в значительном количестве выводится из организма с мочой. Источник: Медицинский словарь … Медицинские термины
УРОПОРФИРИН — (uroporphyrin) порфирин, играющий промежуточную роль в процессе синтеза протопорфирина IX. При порфирии уропорфирин в значительном количестве выводится из организма с мочой … Толковый словарь по медицине
Porphyria — Any of a group of inherited diseases characterized by skin sensitivity to sunlight and/or by intermittent acute attacks of abdominal and nerve pain. The porphyrias are caused by enzyme defects that trigger the overproduction of porphyrins by the… … Medical dictionary
Porphyria cutanea tarda — Literally, the late skin form of porphyria, a genetic photosensitive (light sensitive) skin disease with onset in adult life with substances called uroporphyrins in the urine due to a deficiency of uroporphyrinogen decarboxylase (UROD), an enzyme … Medical dictionary
uroporphyrinogen — See porphyrinogens. u. decarboxylase an enzyme that participates in heme biosynthesis; it catalyzes the decarboxylation of uroporphyrin III to produce coproporphyrinogen III; it also acts on uroporphyrin I; a deficiency of this … Medical dictionary
Turacin — is a red, naturally occurring pigment that is 6% copper complexed to uroporphyrin 111. It is found only in the turaco group of birds as the red in their plumage. [ [http://cancerweb.ncl.ac.uk/cgi bin/omd?turacin Online Medical Dictionary] ] It is … Wikipedia
