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消化系统不仅是消化器官,也是重要的免疫器官。在免疫功能的建立过程中胃肠道有重要作用,在许多消化系统疾病的发生机理中免疫功能紊乱有重要意义。在消化道免疫组织也很多,如扁桃腺、派耶氏板及广泛分布于消化道粘膜的免疫活性细胞都有重要的免疫功能,称为胃肠相关淋巴组织(GALA),这是第一线免疫反应系统。胃肠道淋巴组织胃肠道淋巴组织有两部分组成: 一、派伊尔丛:由一组淋巴滤泡构成,大部分存在于小肠,特别是在回肠较多,位于粘膜下,其数目因年龄而不同,一般20岁时总数可
The digestive system is not only a digestive organ but also an important immune organ. The gastrointestinal tract plays an important role in the establishment of immune function, and immune dysfunction is of great importance in many digestive system diseases. In the digestive tract there are many immune tissues, such as tonsils, pieyer’s plate and immune cells widely distributed in the mucosa of the digestive tract have important immune function, called gastrointestinal-related lymphoid tissue (GALA), which is the first line Immune response system. Gastrointestinal lymphoid tissue Gastrointestinal lymphatic tissue has two parts: First, Peirce plexus: by a group of lymphatic follicles, most present in the small intestine, especially in the ileum, located in the submucosa, the number of due to Different age, the general number of 20 years old can be