title: Ultrastructural basis of blood-synovial barrier--results with five electron-opaque tracers.
mesh_terms: D000818:Animals; D002196:Capillaries / Q000648:ultrastructure*; D005260:Female; D008297:Male; D051379:Mice; D013582:Synovial Fluid / Q000166:cytology*; D013583:Synovial Membrane / Q000098:blood supply / Q000648:ultrastructure*