knee bursae. frontal and side view of human knee joint

anatomical anatomy anserine arthritis biology body bone bursa bursae capsule cartilage cavity deep diagram disease extracapsular femur fibula fluid frontal health healthy human illustration infrapatellar intracapsular isolated joint knee medical medicine membrane orthopedic osteoporosis pain popliteal prepatellar science side skeleton structure subcutaneous suprapatellar surgery synovial tendons tibia vector view