释义 |
beta (beta)-lactam antibiotics be·ta (β)-lac·tam an·ti·bi·ot·ics (bā'tă-lak'tam an'tē-bī-ot'iks) A group of natural and semisynthetic agents that inhibit the final stage of cell wall synthesis by binding with transpeptidases essential in the formation of peptide bonds. These antibiotics have a common chemical structure called the beta-lactam ring. Beta-lactam antibiotics include the penicillins and cephalosporins. |