| A | B |
| Cancellous bone | spongy bone |
| Chondrocyte | cartilage cell |
| Compact bone | more dense bone |
| Diaphysis | shaft of long bone |
| Epiphyses | ends of long bone |
| Endochondral ossification | formation of bone from cartilage models |
| Myeloid tissue | soft, diffuse connective tissue forming red bone marrow |
| Ossification | formation of bone |
| Osteoblast | bone-forming cell |
| Osteoclast | bone-absorbing cell |
| Ostocyte | mature bone cell |
| Articular cartilage | thin layer of hyaline cartilage |
| Periosteum | dense, white fibrous membrane |
| Medullary cavity | a tubelike hollow space in the diaphysis of a long bone |
| Endosteum | lines the medullary cavity of long bones |