penicillinase-resistant penicillin

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• penicillinase-resistant antibiotic — noun a form of penicillin that is not rendered inactive by penicillinase • Hypernyms: ↑penicillin • Hyponyms: ↑nafcillin, ↑Nafcil, ↑oxacillin …   Useful english dictionary

• Penicillin — For the Japanese band, see Penicillin (band). Penicillin core structure. The R is the variable group. Penicillin (sometimes abbreviated PCN or pen) is a group of antibiotics derived from Penicillium fungi.[1] They include …   Wikipedia

• penicillin — /pen euh sil in/, n. Pharm. any of several antibiotics of low toxicity, produced naturally by molds of the genus Penicillium and also semisynthetically, having a bactericidal action on many susceptible Gram positive or Gram negative cocci and… …   Universalium

• Penicillinase — Pen i*cil lin*ase, n. (Bioch.) an enzyme which destroys the antibacterial activity of penicillin by hydrolyzing the amide bond in the beta lactam ring. Many penicillinases are known, and are produced by a wide variety of bacteria. The production… …   The Collaborative International Dictionary of English

• Penicillin — Historically, the most famous of all antibiotics, named for the fungal mould Penicillium notatum from which it is derived. Penicillin acts by destroying the cell wall in those bacteria that are sensitive have been developed (not resistant) to its …   Medical dictionary

• Methicillin-resistant Staphylococcus aureus — Staphylococcus aureus Staphylococcus aureus in 50.000facher Vergrößerung Systematik Abteilung …   Deutsch Wikipedia

• methicillin — Penicillinase resistant penicillin antibiotic …   Dictionary of molecular biology

• nafcillin — A semisynthetic penicillin derived from 6 aminopenicillanic acid; resistant to penicillinase, and effective against Staphylococcus aureus. n. sodium a penicillinase resistant penicillin. * * * naf·cil·lin naf sil ən n a semisynthetic penicillin… …   Medical dictionary

• cloxacillin sodium — A penicillinase resistant penicillin. * * * clox·a·cil·lin so·di·um (klok″sə silґin) [USP] a semisynthetic penicillinase resistant isoxazolyl penicillin, used primarily in the treatment of infections due to penicillinase producing… …   Medical dictionary

• nafcillin sodium — naf·cil·lin so·di·um (naf silґin) [USP] a semisynthetic, acid and penicillinase resistant penicillin, used as an antibacterial in severe staphylococcal infections caused by penicillinase positive organisms; administered orally, intramuscularly,… …   Medical dictionary

• Beta-lactamase — Beta lactamases are enzymes (EC number|3.5.2.6) produced by some bacteria and are responsible for their resistance to beta lactam antibiotics like penicillins, cephalosporins, cephamycins, ertapenems and carbapenems. These antibiotics have a… …   Wikipedia