| 释义 |
beta-lactam
be·ta-lac·tam B5215050 (bā′tə-lăk′təm, bē′-)n.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.
[beta, second (in the series of lactam rings, the first being the simplest) + lactam.]EncyclopediaSeelactambeta-lactam
β-lac·tam (lak'tam), A class of broad-spectrum antibiotics that are structurally and pharmacologically related to the penicillins and cephalosporins.beta-lactam (bā′tə-lăk′təm, bē′-)n.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.be·ta-lac·tam (bā'tă lak'tam) Class of broad-spectrum antibiotics structurally and pharmacologically related to penicillins and cephalosporins. |