Morphologic study of the high endothelial venules and lymphatic labyrinths in the hemolymph node
Liu Li · Harbin Yike Daxue xuebao · 2004
Objective To investigate the pathways of the lymphocytes homing in the hemolymph node,through the morphologic study of the high endothelial venules(HEVs) and lymphatic labyrinths in the hemolymph node.Methods We observed the structure of the rat hemolymph node by light microscopy,transmission electron microscopy and scanning electron microscopy.Results There were plenty of the HEVs in the hemolymph nodes.The endothelial cells were thick and process to the lumen.The organelles in the high endothelial cells were plentiful.The lymphocytes were found to adhere or penetrate the endothelial cells and the junction septum of the endothelial cells.In the paracortex of the hemolymph nodes,the tubular or pocket lymphatic labyrinths which were densely filled with small lymphocytes were found.Conclusion The hemolymph nodes are one of the important situations of the lymphocytes homing.