cartilage . scheme of chondrocytes, collagen fibers, calcified, subchondral cancellous bone and superficial.

anatomical anatomy arthritis biological biology body bone calcified cancellous cartilage cartilaginis cartilago chondrocytes collagen diagram femur fibers health healthcare healthy human illius illustration joint knee leg medical medicine meniscus organ orthopedic osteoarthritis osteoporosis patella rheumatism rheumatoid scheme skeletal skeleton structure subchondral superficial synovial transition vector