在具有免疫活性的个体 ,如果在某一特殊解剖部位接种或移植具有免疫原性的细胞或组织 ,这些细胞或组织可以长期存活 ,那么我们将这一部位称为免疫赦免部位 [1 ] 。目前已发现的免疫赦免部位有眼、脑、肝脏、某些内分泌器官、母胎界面和仓鼠的颊袋等。其中眼的免疫赦免现象更为 In an immunocompetent individual, cells or tissues that have immunogenicity can be permanently harvested if they are seeded or transplanted into a particular anatomical site, and we call this site an immunopapillary site [1]. Currently found immune palliative parts of the eye, brain, liver, some endocrine organs, maternal interface and hamster cheek pouch. Among them, the immunopapulation of the eye is even more