bone marrow set

bone marrow set structure anatomy human vector blood diagram system epiphysis spongy skeletal skeleton cartilage periosteum osteoporosis cavity long tissue medullary density femur diaphysis nerve ossification metaphysis development cell illustration transplant stem formation calcium osteoclast myeloma organ biology icon inside differentiation endosteum disease cancer hematopoietic orthopedic thigh osteoblast donor haematopoiesis