药理学课件40-β-内酰胺类抗生素_图文.ppt
Key concept(重点）
β-Lactam antibiotics are frequently prescribed drugs that share a common structure and mechanism of action by inhibition of synthesis of the bacterial peptidoglycan in the cell wall of the microorganism β-内酰胺类抗生素是一类具有相同化学结构的临床常用药物，它们的共同作用机制是抑制细菌细胞壁的肽聚糖合成，
Key concept(重点）
Penicillins G and V are commonly used penicillins, which are highly active against susceptible gram-positive cocciThe penicillinase-resistant penicillins such as methicillin are effective ...