Results Simple cuboidal and squamous epithelium were the main types of the epithelium in rat endolymphatic sac CD + 3 , IgG + immunoreactive lymphocytes were found mainly in the epithelium of the endolymphatic sac .
内淋巴囊上皮层、上皮下及囊周组织有淋巴细胞，CD3、IgG免疫反应阳性淋巴细胞主要存在于内淋巴囊的上皮层。
Simple squamous epithelium