click below
click below
Normal Size Small Size show me how
The Skeletal System
Skeletal system key terms
| Question | Answer |
|---|---|
| appendicular skeleton | forms the extremities and is composed of the shoulder gridle,arm bones,pelvic gridle,and leg bones |
| axial skeleton | forms the msin trunk of the body and is composed of the skull,spinal column,ribs and breastbone |
| carpals | wrist |
| clavicles | collarbones |
| cranium | the speherical structure that surrounds and protects the brain |
| diaphysis | the long shaft of bones |
| endosteum | a membrane that lines the medulary canal and keeps the yellow marrow intact |
| epiphysis | ends |
| femur | thigh |
| fibula | smaller bone of lower leg that attaches to the approximal end of the tibia |
| fontanels | spaces or soft spots allow for the enlargement of the skull as brain growth occurs |
| formina | openings in bones that allow neves andblood vessels to enter or leave the bone |
| humerus | upper arm |
| joints | areas where two or more bones join together |
| ligaments | connective tissue bands |
| medullary canal | a cavity in the diaphysis |
| metacarpals | palm of hands |
| metatarsals | bones in foot |
| os coxae | hip bones or coxal |
| patella | knee cap or knee bone |
| periosteum | thick white membrane that covers the surface of a longn bone |
| phalanges | fingers or toes |
| red marrow | semi - fluid substance located in th small spaces of cancellous bone that is the source of blood cell production |
| scapulas | shoulder bones |
| sinus | opening or hollow space in bone |
| sternum | breastbone |
| sutures | immovible joints |
| ribs | costae |
| radius | lower arm |
| ulna | large bone in lower arm |
| vertabrae | segments in spinal column |
| yellow marrow | fat cells |