title: Transcellular migration of lymphocytes through the walls of the smooth-surfaced squamous endothelial venules in the lymph node: evidence for the direct entry of lymphocytes into the blood circulation of the lymph node.
mesh_terms: D000818:Animals; D002465:Cell Movement; D003593:Cytoplasm / Q000648:ultrastructure; D004727:Endothelium / Q000648:ultrastructure; D008198:Lymph Nodes / Q000098:blood supply*; D008214:Lymphocytes / Q000502:physiology* / Q000648:ultrastructure; D051379:Mice; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D014699:Venules / Q000648:ultrastructure