Persistent vertical septum in the human knee joint.
D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis; D007719:Knee Joint / Q000002:abnormalities* / Q000601:surgery; D008023:Ligaments, Articular / Q000002:abnormalities*