| A | B |
|---|
| osteocyte | mature bone cell |
| ossification | minerals replace cartilage to create bone |
| fontanel | the soft spot on a baby's head |
| diaphysis | shaft of a long bone |
| epiphysis | ends of a long bone |
| endosteum | inside lining of the medullary canal of long bone |
| periosteum | outside covering of a long bone |
| articular cartilage | covering of the epiphysis that acts as a shock absorber |
| axial skeleton | the skull, spinal column, ribs, sternum, and hyoid bone |
| appendicular skeleton | upper and lower extremities, shoulder girdles and hip girdle |
| joints | points of contact between two bones |
| Ball-and-socket joint | Shoulder and hip joints |
| Hinge joint | move in one direction or plane; knee, elbows and outer joints of fingers |
| Pivot joint | joints of radius and ulna |
| Gliding joint | nearly flat surface that glides across each other as in the vertebrae |
| Diarthrosese joints | moveable joints |
| Amphiarthroses joints | partially moveable joints |
| Synarthroses joints | immovable joints, as in the adult cranium |
| flexion | bringing two bones closer together |
| extension | increasing the angle between two bones |
| abduction | moving an extremity away from midline |
| adduction | moving toward midline |
| fracture | break of a bone |
| dislocation | bone is displaced from it's proper position |
| sprain | injury to joint caused by sudden or unusual motion |
| gooble gooble | extra credit phrase |
