Electron microscopy and synovial pathology.
D001172:Arthritis, Rheumatoid / Q000473:pathology*; D001808:Blood Vessels / Q000648:ultrastructure; D002358:Cartilage, Articular / Q000648:ultrastructure; D006801:Humans; D013583:Synovial Membrane / Q000098:blood supply / Q000648:ultrastructure*