Synovialsheaths around the long tendons of the fingers. A Synovialsheath is a tubular bursa that...Normal knee joint (left) and one affected by juvenile arthritis, which shows damaged cartilage and...The Achilles tendon is the largest tendon in the body. It is formed by a confluence of the tendons...The Achilles tendon is the largest tendon in the body. It is formed by a confluence of the tendons...