| Term | Definition |
|
Axial skeleton |
bones that lie around the longitudinal axis (ctr) of body; regions |
|
appendicular skeleton |
U & L extremities and bones of the girdles |
|
axial |
bones down the ctr of the skeleton |
|
appendicular |
bones at the outside of the skeleton; girdles and their limbs (extremities) |
|
skull |
rests on the first cervical ; 22 bones total : divided into 2 divisions: cranium and facial bones |
|
cranium |
bones that surround and protect the brain 11 bones |
|
facial bones |
14 bones |
|
regions of the axial skeleton |
3: skull and assoc bones 29, vertebral column 26, thoracic cage 25 total 80 bones |
|
regions of the appendicular skeleton |
4: pectoral girdles 4, pelvic girdles 2, upper limbs 60, and lower limbs 60 total 126 bones |
|
girdle |
suppport extremities 2 parts: pectoral and pelvic |
|
pectoral |
"chest" composed of clavicle and scapula |
|
upper extremity |
from humerus down |
|
pelvic |
"hip" composed of 3 fused bones- iliac, ishium, and pubic bones |
|
lower extremity |
from femur down |
|
cranial bones |
frontal , parietal, temporal, occipital, ethmiod , and sphednoid |