beta-lactam

beta-lactam
be·ta-lac·tam or ß-lactam .bāt-ə-'lak-.tam, chiefly Brit .bē-tə- n any of a large class of natural and semisynthetic antibiotics (as the penicillins and cephalosporins) with a lactam ring
ß-lactam, ß-lactamase var of BETA-LACTAM, BETA-LACTAMASE

Medical dictionary. 2011.

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  • beta-lactam — Lactam Lac tam, n. [Lactone + amido.] (Chem.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide. [1913 Webster] {beta lactam} or {[beta] lactam}, (a) a lactam in which the amide bond is… …   The Collaborative International Dictionary of English

  • beta-lactam — Lactam Lac tam, n. [Lactone + amido.] (Chem.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide. [1913 Webster] {beta lactam} or {[beta] lactam}, (a) a lactam in which the amide bond is… …   The Collaborative International Dictionary of English

  • Beta-lactam — | | | | | | |A beta lactam ring (β lactam) or penam is a lactam with a heteroatomic ring structure, consisting of three carbon atoms and one nitrogen atom [Heterocyclic chemistry T.L. Gilchrist ISBN 0 582 01421 2 ] . Clinical significanceThe beta …   Wikipedia

  • beta-lactam antibiotic — Lactam Lac tam, n. [Lactone + amido.] (Chem.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide. [1913 Webster] {beta lactam} or {[beta] lactam}, (a) a lactam in which the amide bond is… …   The Collaborative International Dictionary of English

  • Beta-lactam Ring Records — is an American record label that began in 2000 in Austin, Texas and relocated to [Portland, Oregon] in 2001. External links* [http://www.blrrecords.com// Official site] …   Wikipedia

  • beta-lactam — beta lac·tam …   English syllables

  • Beta-lactam antibiotic — β lactam antibiotics are a broad class of antibiotics that include penicillin derivatives, cephalosporins, monobactams, carbapenems, and β lactamase inhibitors, that is, any antibiotic agent that contains a β lactam nucleus in its molecular… …   Wikipedia

  • beta-lactam antibiotic — one of a group of drugs that includes the penicillin and the cephalosporin. All have a four membered beta lactam ring as part of their molecular structure. Beta lactam antibiotics function by interfering with the growth of the cell walls of… …   Medical dictionary

  • beta-lactam antibiotic — one of a group of drugs that includes the penicillins and the cephalosporins. All have a four membered beta lactam ring as part of their molecular structure. Beta lactam antibiotics function by interfering with the growth of the cell walls of… …   The new mediacal dictionary

  • beta-lactam — noun A lactam having a four membered ring structure; a structural element of many antibiotics such as penicillin. Syn: penam …   Wiktionary

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