pregnene

pregnene
An unsaturated steroid of primarily terminologic importance; utilized in systematic nomenclature of appropriate 21-carbon steroids.

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preg·nene 'preg-.nēn n an unsaturated derivative C21H34 of pregnane containing one double bond in a molecule

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preg·nene (pregґnēn) a term used in steroid hormone nomenclature to refer to an unsaturated 21-carbon structure with one double bond and three methyl groups; the δ4 and δ5 pregnene steroid nucleus forms the basis of most of the biologically active progestins and corticosteroids.

Medical dictionary. 2011.

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  • pregnene — noun Any derivative of pregnane having a double bond in the A ring See Also: pregnadiene …   Wiktionary

  • pregnene — preg·nene …   English syllables

  • pregnene — ˈpregˌnēn noun ( s) Etymology: International Scientific Vocabulary pregnane + ene : an unsaturated derivative C21H34 of pregnane containing one double bond in the molecule …   Useful english dictionary

  • Prégnane — Général Nom IUPAC (8S,9S,10S,13R,14S,17S) 17 éthyl 10,13 diméthyl 2,3,4,5,6,7,8,9,11,12,14,15,16,17 tétradecahydro 1H cyclopenta[a]phenanthrène …   Wikipédia en Français

  • Corticosteroid — Corticosterone Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex. Corticosteroids are involved in a wide range of physiologic systems such as stress response, immune response and regulation of inflammation,… …   Wikipedia

  • Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione …   Wikipedia

  • Aminoglutethimide — Systematic (IUPAC) name 3 (4 aminophenyl) 3 ethyl piperidine 2,6 dione Clinical data AHFS/Drugs.com …   Wikipedia

  • Deflazacort — Systematic (IUPAC) name (11β,16β) 21 (acetyloxy) 11 hydroxy 2′ methyl 5′H pregna 1,4 dieno[17,16 d]oxazole 3,20 dione Clinical data AHFS/ …   Wikipedia

  • Cloprednol — Systematic (IUPAC) name (9S,10R,11S,13S,14S,17R) 6 chloro 11,17 dihydroxy 17 (2 hydroxyacetyl) 10,13 dimethyl 9,11,12,14,15,16 hexahydro 8H cyclopenta[a]phenanthren 3 one …   Wikipedia

  • Meprednisone — Systematic (IUPAC) name (16β) 17,21 dihydroxy 16 methylpregna 1,4 diene 3,11,20 trione Clinical data AHFS/Drugs.com …   Wikipedia

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