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1 病原性球菌 病原性球菌因能引起化脓性炎症,又称化脓性球菌。依革兰染色性质不同,可将其分为两类:革兰阳性球菌,如葡萄球菌、链球菌、肺炎球菌等;革兰阴性球菌,如脑膜炎球菌及淋球菌等。1.1 葡萄球菌 菌体球形,常堆积成葡萄串状,故名。革兰染色阳性,致病性葡萄球菌可产生金黄色色素,菌落可呈金黄色,故名金黄色葡萄球菌,血浆凝固酶试验呈阳性反应。葡萄球菌对热和干燥抵抗力较强。是最常见的化脓性球菌,可引起皮肤粘膜、多种组织器官的化脓性炎症;有的菌株可产生肠毒素,引起食物中毒。需注意耐药菌株的选择用药。
1 pathogenic cocci pathogenic cocci can cause suppurative inflammation, also known as pyogenic bacteria. Gram stain according to different nature, it can be divided into two categories: Gram-positive cocci, such as staphylococcus, streptococcus, pneumococcus, etc .; Gram-negative cocci, such as meningococci and Neisseria gonorrhoeae and so on. Staphylococcus aureus 1.1 spherical bacteria, often stacked into grape clusters, hence the name. Gram-positive, pathogenic Staphylococcus aureus can produce golden yellow colony can be golden yellow, named Staphylococcus aureus, plasma coagulase test was positive. Staphylococci are more resistant to heat and dryness. Is the most common pyogenic bacteria, can cause skin mucosa, suppurative inflammation of many tissues and organs; some strains can produce enterotoxins, causing food poisoning. Need to pay attention to the choice of drug-resistant strains of medication.