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过敏反应(超敏感反应)的概念,是指某些个体受某些过敏原(抗原)作用后,体内产生抗体或淋巴细胞被致敏,即身体处于致敏状态。如再次接触同样的过敏原,则引起一定的组织损伤或官能障碍。
The concept of anaphylaxis (hypersensitivity) refers to the sensitization of an individual to an antibody or lymphocyte in the body after the action of certain allergens (antigens), ie, the body is sensitized. Exposure to the same allergen again causes some tissue damage or dysfunction.