(一)细菌个体物形态和染色 适宜生长的环境条件: 细菌存在于 温度,湿度,pH,营养 How to find and detect 培养 2.可观察的形态 群体(菌落,菌苔) 个体(显微镜)
11 细菌存在于 适宜生长的环境条件: 温度，湿度，pH，营养 1.培养 2.可观察的形态 群体（菌落，菌苔） 个体（显微镜） How to find and detect ? 11 （一）细菌个体的形态和染色
(一)细菌个体的形态和染色 (一)形态和染色 基 球状菌( coccus 本多 形见〈杆状菌(rod) 态 螺旋状( spirillum) 自然界中:杆菌>球菌>螺菌>其他菌(到现在培养的菌
12 球状菌（coccus） 杆状菌（rod） 螺旋状（spirillum） （ 多 见 ） 基 本 形 态 （一）形态和染色 12 （一）细菌个体的形态和染色 自然界中：杆菌>球菌>螺菌>其他菌 （到现在培养的菌）
指月三(一)细菌个体的形态和染色 、球状菌 个体呈球形或椭圆形,细胞分裂后 空间排列方式各异,作为分类依据。 依分裂面及分裂后相连否分: 单球菌、双、四、八、 链、葡萄球菌
13 1、球状菌 个体呈球形或椭圆形，细胞分裂后 空间排列方式各异，作为分类依据。 13 （一）细菌个体的形态和染色 依分裂面及分裂后相连否分： • 单球菌、双、四、八、 链、葡萄球菌
金黄色葡萄球菌 Staphyloccocus aureus gure 18.1 Figure 18.2 Seanning electron micrograph of Blood agar plate growing S, aa. Some strains show two ao Staphylo am (7,510).This hemolysis. The relatively clearer inner zone is caused by otox genus owes its name to the grapelike the outer tone i furry and appears only if the plate has been re This outer zone i the B, or"hot-cold. "hemolysin Figure 18.3 Cutaneous leons of S aen. Fundamentally, all are skin abcesses that vary in size, depth. and degree of tissue involvement. La Sectional view of a boil or furuncle, a wmgl pustule that develops in a hair follicle or gland and is the classic lesion ofthe ed ott by hl (H) A francke on the hack of the hand. () A carbunde on the back of the neck. Carbuncles are massive deep leon that reslt from l4 multiple, interconnecting furuncle Swelling and rupture into the surrounding times can be marked
14 金黄色葡萄球菌 Staphyloccocus aureus
Swollen "capsule Cell body Figure 18.20 A positive Quellung, or capsular swelling. precipitins, is confirmatory for S. pneumoni identify the precise capsular serotype. The moose with the capsular polysaccharide intensifies 肺炎链球菌 Streptococcus pneumoniae Figure 18.18 The coure of hacterial pneumonia. As the pneumococcus traces a pathway down the respiratory tree, it provokes intense 1glammaton and exudate fommation The blocking of the bronchioles and alveoli by consolidation of inflammatory cells and products is evident
15 肺炎链球菌 Streptococcus pneumoniae