por|phy|rin

por|phy|rin
por|phy|rin «PR fuhr ihn», noun.
Biochemistry. any one of a group of derivatives of pyrrole, especially an iron-free decomposition product of hematin or a magnesium-free decomposition product of chlorophyll. Porphyrins occur as basic substances especially in body tissue, blood, and urine.
[< Greek porphýrā purple + English -in]

Useful english dictionary. 2012.

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  • hem|a|to|por|phy|rin — «HEHM uh toh PR fuhr ihn, HEE muh », noun. a dark red crystalline substance obtained from hemin, formerly used in the treatment of psychoses and now used to detect cancerous tissue. Formula: C34H38N4O6 …   Useful english dictionary

  • pro|to|por|phy|rin — «PROH tuh PR fuhr ihn», noun. a porphyrin or pigment occurring in cells and produced synthetically that is a basic part of hemoglobin in red blood and chlorophyll in green plants. Formula: C34H34N4O4 …   Useful english dictionary

  • phy — phy·tase; phy·tate; phy·tel·e·phas; Phy·tin; phy·tiv·o·rous; phy·to·bacteriology; phy·to·bezoar; phy·to·biology; phy·to·cecidium; phy·to·chlore; phy·to·ci·dal; phy·to·cide; phy·to·climatology; phy·to·coe·no·sis; phy·to·concretion;… …   English syllables

  • por — ag·a·por·nis; ap·por·tion; ap·por·tion·ment; as·por·ta·tion; cel·le·por·i·dae; col·por·tage; col·por·teur; cor·por·i·fy; cryp·to·por·ti·cus; de·por·ta·tion; di·a·por·tha·ce·ae; di·a·por·the; dis·pro·por·tion·a·tion; ex·por·ta·tion;… …   English syllables

  • rin — aero·chlo·rin·a·tion; ag·a·rin·ic; aliz·a·rin; am·y·rin; an·eu·rin; an·thra·pur·pu·rin; an·ti·a·rin; as·pi·rin; au·rin; bas·so·rin; bish·a·rin; bo·rin·que·ño; bu·rin; bu·rin·ist; cap·rin; ca·rin·i·a·na; ca·rin·i·form; ca·rin·thi·an; ca·rin·u·la;… …   English syllables

  • porphyrin — por·phy·rin …   English syllables

  • Porphyrin — Por|phy|rin [↑ Porphyr u. ↑ in (3)], das; s, e; Syn.: 21H,23H Porphin: C20H14N4; dunkelrote krist. Verb., Smp. > 360 °C, mit einem makrocycl. System aus 4 durch Methingruppen verbundenen Pyrrolringen (Tetrapyrrol). Partiell reduzierte,… …   Universal-Lexikon

  • porphyrinogen — por·phy·rin·o·gen (por″fə rinґə jən) the reduced form of a porphyrin, containing pyrrole rings linked by methylene ( CH2 ) instead of methylidyne bridges. The porphyrinogen forms are the functional intermediates in the… …   Medical dictionary

  • porphyrinemia — por·phy·rin·emia (por″fĭ rĭ neґme ə) the presence of porphyrin in the plasma or serum …   Medical dictionary

  • Porphyrinurie — Por|phy|rin|u|rie [↑ Porphyrin u. ↑ urie], die, , …ri|en: ↑ Porphyrie. * * * Porphyrin|urie   die, /... ri |en, vermehrte Ausscheidung von Porphyrinen im Harn als Symptom einer Porphyrie; sie äußert sich in eine …   Universal-Lexikon

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