结核病是由结核分枝杆菌引起的一种慢性传染病。结核病经呼吸道传播,肺部是结核分枝杆菌感染的主要和起始器官。因此,肺结核是最主要的结核病。除肺部外,其他系统器官如骨关节、淋巴结、泌尿生殖系统、肠道、肝脏等均可受累而发生结核病。结核病是一种严重的危害人类健康的传染 Tuberculosis is a chronic infectious disease caused by Mycobacterium tuberculosis. Tuberculosis is transmitted through the respiratory tract, and the lungs are the major and initiating organ for M. tuberculosis infection. Therefore, tuberculosis is the most important form of tuberculosis. In addition to the lungs, other systemic organs such as bone and joint, lymph nodes, genitourinary system, intestinal tract, liver, etc. can be affected and tuberculosis occurs. Tuberculosis is a serious infection that endangers human health