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 - must type it exactly how it is written |