beta-lactam(redirected from b-lactam)
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Related to b-lactam: Cephalosporins
A class of broad-spectrum antibiotics that are structurally and pharmacologically related to the penicillins and cephalosporins.
1. A lactam composed of a four-membered ring, formed by intramolecular condensation of an amino acid in which the amino group is located at the beta position, or any compound containing this group.
2. A beta-lactam antibiotic.
Class of broad-spectrum antibiotics structurally and pharmacologically related to penicillins and cephalosporins.