| A | B |
| epiphysis | the end of the long bone |
| articular cartilage | layer of hyaline cartilage on the outer surface |
| diaphysis | the shaft of the bone between the epiphysis |
| periosteum | covering of the bone |
| compact bone | tightly packed tissue that is strong and solid |
| spongy bone | thin layers of compact bone that is soft and spongy |
| medullary cavity | A cavity within the diaphysis of a long bone occupied of marrow |
| enosteum | a thin layer of cell |
| marrow | specialized soft connective tissue called marrow |
| intramembraneuous bones | broad flat bones located in the skull |
| osteoblasts | bone forming cells |
| osteoclasts | bone destroying cells |
| endochondral bones | bones that develop from masses of hyaline cartalige |