论文部分内容阅读
很多非病毒性慢性感染是由细胞内寄生的真菌、细菌,寄生虫等引起的。一方面它们逃避了体液免疫的作用,另一方面由于宿主的各种因素使细胞免疫不能充分发挥作用,因而微生物在体内大量繁殖,长期寄生。慢性感染的病理变化不是组织的直接损坏(因无毒素作用)而是微生物和组织反应相互作用的结果,这种组织反应主要产生于细胞免疫(Ⅳ型),但不排除第Ⅱ、Ⅲ型变态反应。慢性感染的微生物共有的特点是细胞内寄生,生
Many non-viral chronic infections are caused by intracellular parasitic fungi, bacteria, parasites and the like. On the one hand, they evade humoral immunity. On the other hand, due to host’s various factors, cellular immunity can not fully play its role. Therefore, microorganisms multiply in the body and become parasitic for a long time. Chronic infection pathological changes are not direct damage to the organization (due to the role of toxins) but the result of the interaction between microorganisms and tissue reactions, this tissue reaction mainly occurs in cellular immunity (type Ⅳ), but does not rule out the type Ⅱ, Ⅲ metamorphosis reaction. Chronic infection of microorganisms is characterized by intracellular parasites, students