Osteoarthritis in bipedal rats.
D000818:Animals; D002358:Cartilage, Articular / Q000648:ultrastructure*; D005270:Femur Head / Q000473:pathology; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D010003:Osteoarthritis / Q000473:pathology*; D051381:Rats; D011919:Rats, Inbred Strains