3d of synovial joint with osteoarthritis.

articular bone bursa capsule carpal cartilage cavity destruction disc distal fibrocartilage fibrous filling finger fluid foot graphic hand illustration joint knee layer ligaments lubricate lubricates membrane meniscus metacarpal middle next osteoarthritis palmar patella phalanx placing radius representation spongy sprain synovial synovium tendon thorn trapezoid ulna