Examination of ellipsoid high endothelial capillary and lymphocytes migration cytologic base in the spleen of Chinese soft-shelled turtle, Pelodiseus Sinensis.

The architecture feature of spleen white pulp of the Chinese soft-shelled turtle,Pelodiseus Sinensis were examined in detail by the microscopy and electron microscopy.The results showed that the ellipsoid capillary was different from capillary in the other kinds of animals,it belonged to high endothelial capillary.The endothelial cells of the ellipsoid capillary were cube or cylindroid.So,it