一、变态反应的概念变态反应是指机体在受某种抗原物质刺激后,发生的异常免疫反应。一般也将称之为过敏反应或超敏感反应。过去,一直把变态反应与免疫反应对立起来,实际上,变态反应的发生与免疫反应是一致的,变态反应抗原诱导的免疫活性细胞不是免疫淋巴细胞就是巨噬细胞,不是B细胞所产生的各类免疫球蛋白就是T细胞所分泌的各种活性物质。因此,变态反应的本质亦是机体为了清除异物的一种防御反应,完全可以认为它是特异性免疫反应的一种特殊表现。“我们必 First, the concept of allergy Allergy refers to the body after being stimulated by some antigens, the occurrence of abnormal immune response. It will also be called an allergic or hypersensitive reaction. In the past, the allergic reaction has always been opposed to the immune response, in fact, the occurrence of allergic reactions and immune reactions are consistent, allergic antigen-induced immune cells are immune cells or macrophages, not B cells Immunoglobulin-like T cells are secreted by the various active substances. Therefore, the nature of allergy is also a defensive response to foreign body removal, it can be considered it is a special manifestation of specific immune response. "We will