skeletal system Flashcards
5 functions of the skeletal system
support protect movement storage form new blood cells
diaphysis
middle of bone
diaphysis features
yellow marrow
compact bone, strong
blood vessels
epiphysis
end of bone
epiphysis features
red marrow (blood made)
spongy bone, cushion
cartilage on end
cartilage
form joint
end of bone
medullary cavity
Inner cavity
periosteum
outside, covers
endosteum
inside coating
osteoporosis
fragile bones
osteoarthritis
cartilage problem
ligaments
for movement
holds bone
holds joints
tendons
attach muscles to bones
three types of joints
synarthroses
amphiarthrotic
diathrotic
synarthroses
no movement
skull
amphiarthrotic
slight movement
pubis bones
diarthrotic
free movement
parts of a joint (4)
joint capsule
ligaments
articular cartilage
synovial membrane
6 types of disarthrotic joints
gliding hinge pivot ball and socket saddle condyloid
gliding joint
slide
carpals and tarsals
hinge joint
one direction
elbows and knees
pivot joint
side to side
up and down
neck
ball and socket joint
all directions
shoulders
saddle joint
not as much movement
thumb
condyloid joint
wrist and knuckles
three types of joint movement
flexion and extension
abduction and adduction
rotation and circumduction
