| A | B |
|---|
| function | supports and provides shape |
| function | protects internal organs |
| function | movement and anchorage of muscles |
| function | mineral storage (calcium & phosphorus) |
| function | hemopoiesis |
| osteocyte | mature bone cell |
| osteoblasts | embryonic skeleton beginnings |
| ossification | begins at 8 weeks gestation |
| fontanel | soft spot |
| diaphysis | shaft |
| epiphyses | ends |
| medullary cavity | center of shaft |
| yellow bone marrow | mostly fat cells and cells that form wbc's |
| endosteum | lines marrow cavity |
| compact bone | hard bone |
| spongy bone | contains red marrow |
| where blood cells are made | spongy bone |
| periosteum | tough, outside covering of bone |
| axial skeleton | skull, spinal column, ribs, sternum, hyoid |
| appendicular skeleton | shoulder girdle, arms, pelvis, legs |
| intervertebral discs | pads of cartilage |
| vertebrae | separated by intervertebral discs |
| cervical vertebrae | 7 |
| thoracic vertebrae | 12 |
| lumbar vertebrae | 5 |
| xiphoid process | bottom tip of sternum |
| true ribs | first 7 ribs |
| cartilage | connects sternum to true ribs |
| false ribs | 3 ribs after true ribs - connected to 7th rib by cartilage |
| clavicle | collar bone |
| scapula | shoulder blade |
| humerus | upper arm |
| radius and ulna | lower arm |
| carpals | wrist bones |
| metacarpals | hand bones |
| phalanges | fingers |
| pelvis | 3 bones (ilium, ischium, pubis) |
| femur | longest and strongest bone in body |
| tibia and fibula | lower leg bones |
| patella | knee cap |
| tarsal bones | ankle |
| calcaneus | heel bone |
| metatarsals | foot bones |
| synovial fluid | lubricating substance in joints |
| suture | immovable joint |
| gliding joint | vertebrae |
| pivot joint | radius and ulna |
| hinge joint | knees and elbows |
| ball and socket joint | shoulders and hips |
| break | fracture |
| closed reduction | cast |
| open reduction | surgery with wires or screws |
| traction | pulling force to put bones in place |
| greenstick | bone bent and splintered but never completely separated |
| sprain | ligaments torn |
| strain | tearing of muscle |
| arthritis | inflammation of joint |
| hunchback | kyphosis |
| swayback | lordosis |
| scoliosis | lateral curvature |
