单词 | beta-lactamase |
释义 | be·ta-lac·ta·mase ![]() n. Any of various enzymes that hydrolyze and inactivate beta-lactam antibiotics such as penicillin, found in many antibiotic-resistant bacteria. [beta-lactam, cyclic amide occurring in penicillins (BETA + LACT(ONE) + AM(IDE)) + -ASE.] |
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