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56 terms

Lecourt Terms #2

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epiphysis
end of a long bone
diaphysis
middle of long bone
compact bone
hard, dense bone tissue
spongy bone
bone tissue with holes & red blood marrow
periosteum
outer layer of bone
endosteum
inner layer of bone
red marrow
tissue that makes red blood cells
yellow marrow
fats within a bone, stores energy
medullary cavity
central cavity in bone shafts - contains yellow marrow
haversian system
basic compact unit of a fuctional bone
canal
contains blood vessels
lamellae
narrow sheets of calcified matrix
canaliculi
small channels connect lacunae & link to blood vessels
lacunae
small pockets contain osteocytes
osteocytes
bone cells make up compact bone/spongy bone
osteoblasts
make new bone
osteoclats
tear down cartilage
epiphyseal cartilage/plate
increases length of bone
articular cartilage
thin cap of original cartilage
endochondral ossification
creation of bones
primary ossification center
1st ossification center
secondary ossification center
2nd ossification center
axial skeleton
skull, thorax, sacrum
appendicular skeleton
moveable parts of the body
long bone
a long bone
flat bone
extensive protection or the provision of broad surfaces for muscular attachment
irregular bone
complex shaped bone
tuberosity
roughened elevation on a bony surface
foramen
an opening or hole
fossa
a pit, shallow depression
trochanter
extend laterally from the femur to let tendons attach
condyle
form part of the knee joint
epicondyle
above condyles
suture
fibrous joint between flat bones of the skull
synarthrotic
am immovable joint
ampiarthrotic
slighty mobile
synovial joint
ends of bone are separated by a joint cavity filled w/ fluid
diathrosis
most moveable joint
ball & socket joint
most moveable of all joints - all directions
hinge joint
angular movement in a singular plane
plane joint
flattened or curved faces
scoliosis
lateral deviation of the normal vertical line
kyphosis
a forward curvature of the back bones - upper back
lordosis
a curvature of the back bones - low back
synovial capsule
holds bones together - brace
synovial membrane
lines synovial capsule that secretes synovial fluid
synovial cavity
space in the synovial joint
synovial fluid
fluid in the synovial joint
medial collateral ligament
re-enforces the joint
lateral collateral ligament
re-enforces the joint
anterior cruciate ligament
crosses between the synovial joint
posterior cruciate ligament
crosses between the synovial joint
fontanels
Gaps between a baby's skull that slowly close up during the first 18 months of life
dislocation
complete displacement of joint surfaces
reduction
return bone to normal position (by manipulation)
arthroscopic surgery
treat joint problems