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免疫的现代概念,已远远超出了狭隘的表达为机体对抗传染病原的特异性防卫能力的意义,而应从广义上来理解:凡是机体与病原生物或其他生活性物质,包括异种蛋白及其相关物质,以及一切来自同种或异种动物的组织细胞成分,乃至改变了原来性质的自体组织细胞成分等,在相互作用过程中所产生的,机体对同类传染病原的不感受性(免疫性),或表达为对同类病原的反应性增强(变态反应性),或者由免疫反应引起对相应器官、组织或细胞的破坏(相忌反应),都可归类为免疫现象。从病理学观点看来,只有第一种免疫现象对机体
The modern concept of immunity has gone beyond the narrow expression of the meaning of the specific defensive ability of the body against infectious pathogens, but should be understood in a broad sense: all organisms and pathogens or other living substances, including xenobiotics and related substances , As well as all from the same or different animal tissue cells, or even change the original nature of the autologous tissue cells, etc., in the course of the interaction produced by the body of the same type of infectious agents of the same sex (immunity), or expression Immunity can be categorized as an increase in reactivity (allergy) to the same pathogen, or in the destruction of a corresponding organ, tissue or cell caused by an immune response (contraindication). From the pathological point of view, only the first immune phenomenon on the body