这个词是什么意思？
A beta-lactam antibiotic produced by the actinobacterium Streptomyces clavuligerus. It is a suicide inhibitor of bacterial beta-lactamase enzymes. Administered alone, it has only weak antibacterial activity against most organisms, but given in combination with other beta-lactam antibiotics it prevents antibiotic inactivation by microbial lactamase.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D019818 · MeSH 2026。
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