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porphyrin — [pôr′fə rin] n. [< Gr porphyra, purple + IN1] any of a group of pyrrole derivatives, found in cytoplasm, that combine with iron and magnesium to form heme and chlorophyll, respectively … English World dictionary
Porphyrin — Structure of porphine, the simplest porphyrin Heme group of hemoglobin. An … Wikipedia
Porphyrin — Strukturformel des Porphyrin Gerüst mit Nummerierung. Strukturformel von Protoporphyrin IX. Porphyrine (nach griechisch πορφυρά, porphyrá, dem … Deutsch Wikipedia
porphyrin — SYN: porphin. * * * por·phy·rin pȯr fə rən n any of various compounds with a structure that consists essentially of four pyrrole rings joined by four =CH groups esp one (as chlorophyll or hemoglobin) containing a central metal atom and usu.… … Medical dictionary
porphyrin — porfirinas statusas T sritis chemija apibrėžtis Porfinui artimas junginys. atitikmenys: angl. porphyrin rus. порфирин … Chemijos terminų aiškinamasis žodynas
Porphyrin à bec jaune — Porphyrospiza caerulescens Porphyrin … Wikipédia en Français
porphyrin à bec jaune — geltonsnapis startinis kardinolas statusas T sritis zoologija | vardynas atitikmenys: lot. Passerina caerulescens; Porphyrospiza caerulescens angl. yellow billed blue finch rus. голубой овсянковый кардинал, m pranc. porphyrin à bec jaune, m… … Paukščių pavadinimų žodynas
porphyrin à bec jaune — geltonsnapiai startiniai kardinolai statusas T sritis zoologija | vardynas atitikmenys: lot. Porphyrospiza angl. yellow billed blue finch rus. голубой овсянковый кардинал, m pranc. porphyrin à bec jaune, m ryšiai: platesnis terminas –… … Paukščių pavadinimų žodynas
porphyrin — noun Etymology: International Scientific Vocabulary, from Greek porphyra purple Date: 1910 any of various compounds with a macrocyclic structure that consists essentially of four pyrrole rings joined by four =CH– groups; especially one (as… … New Collegiate Dictionary
porphyrin — /pawr feuh rin/, n. Biochem. a dark red, photosensitive pigment consisting of four pyrrole rings linked by single carbon atoms: a component of chlorophyll, heme, and vitamin B12. [1905 10; < Gk porphýr(a) PURPLE + IN2] * * * Any of a class of… … Universalium
