knee and foot anatomy, close-up view, 3d showing patella, femur, fibula, and tibia bones

anatomical anatomy ankle artwork background biology black body bone bones calcaneus closeup cuboid cuneiforms femur fibula foot front graphic health human illustration isolated joint knee leg male man medical metatarsal navicular parts patella phalange phalanges physiology plantar rendering science skeletal skeleton structure system talus tarsal tibia toe view white