| A | B |
| arthrodesis | surgical fusion of bone |
| arthroscopy | visual exam of a joint |
| avascular necrosis | bone tissue death by insufficient blood flow |
| bone marrow transplant | stem cell transplant |
| callus | deposit formed from a break. |
| chondromalacia | abnormal softening of the cartilage |
| comminuted fracture | a fracture that is splintered or crushed |
| costochondritis | inflammation of cartilage attaching ribs to sternum |
| crepitation | grating sound heard at end of bones |
| fat embolus | release of fat cells from yellow bone marrow |