Definition of "lactams" [lactams]

• Plural form of lactam. (noun)

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• "In fact, the recruitment of similar resistance determinants within a single P. aeruginosa strain can determine a resistance phenotype to virtually all the available antipseudomonal beta-lactams, an occurrence that can be particularly dramatic when, as in the present case, resistance to beta-lactams is associated with resistance against aminoglycosides and fluoroquinolones. link (emphasis mine)"
• "PFGE, the molecular-fingerprint technique, had not been invented yet,14 but the MRSA strains in the addicts and in the Henry Ford patients were resistant to exactly the same medications: methicillin and all the beta- lactams, and two additional classes of drugs."
• "The strain must have been in pigs for a while, because in addition to methicillin and the rest of the beta–lactams, it was also resistant to tetracycline."