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Chaper 14 Muskuloskeletal System
Exploring Medical language 7th edition. Understand be Understood
72
Health Care
Undergraduate 1
11/27/2010

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Term
periosteum
Definition
outermost layer of the bone, made up of fibrous tissue
Term
compact bone
Definition
dense hard layers of bone tissue that lies underneath the periosteum
Term
cancellous
Definition
spongy bone. contains little spaces like a sponge and is encased in the layers of compact bone.
Term
endosteum
Definition
membranous lining of the hollow cavity of the bone
Term
diaphysis
Definition
shaft of the long bones
Term
epiphysis
Definition
end of each long bone
Term
bone marrow
Definition
material found in the cavities of bones
Term
red marrow
Definition
thick, blood like material found in flat bones and th ends of long bones, location of blood cell formation.
Term
yellow marrow
Definition
soft, fatty material found in the medullary cavity of long bones
Term
maxilla
Definition
lower jawbone
Term
mandible
Definition
lower jawbone
Term
cervical vertebrae
Definition
first set of seven bones, forming the neck
Term
thoracic vertebrae
Definition
second set of 12 vertebrae. They articulate with the 12 pairs of ribs to form the outward curve of the spine.
Term
lumbar vertebrae
Definition
third set of five larger vertebrae, which forms the inward curve of the spine.
Term
sacrum
Definition
next five vertebrae, which fuse together to form a triangular bone positioned between the two hip bones.
Term
coccyx
Definition
four vertebrae fused together to form the tailbone
Term
lamina
Definition
parts of the vertebral arch
Term
clavivle
Definition
collarbone
Term
scapula
Definition
shoulder blade
Term
acromion process
Definition
extension of the scapula, which forms the high point of the shoulder
Term
sternum
Definition
breastbone
Term
xiphoid process
Definition
lower portion of the sternum.
Term
humerus
Definition
uppper arm bone
Term
ulna and radius
Definition
lower arm bones
Term
olecranon process
Definition
projection at the upper end of the ulna that forms the bony point of the elbow
Term
carpal bones
Definition
wrist bones
Term
metacarpal bones
Definition
hand bones
Term
phalanges
Definition
finger and toe bones
Term
pelvic bone, hip bone
Definition
made up of three bones fused together
Term
ischium
Definition
lower, rear portion on which one sits
Term
illium
Definition
upper, wing shaped part on each side
Term
pubis
Definition
anterior portion of the pelvic bone
Term
acetabulum
Definition
large socket in the pelvic bone for the head of the femur
Term
femur
Definition
upper leg bone
Term
tibia and fibula
Definition
lower leg bones
Term
patella
Definition
kneecap
Term
tarsal bones
Definition
ankle bones
Term
calcaneus
Definition
heel bone
Term
metatarsal bones
Definition
foot bones
Term
joints
Definition
also called articulations hold out bones together and make movement possible.
Term
articular cartilage
Definition
smooth layer of gristle covering the contacting surface of joints.
Term
meniscus
Definition
crescent shaped cartilage found in the knee
Term
intervertebral disk
Definition
cartilaginous joint at which two pubic bones fuse together
Term
pubic symphysis
Definition
cartilaginous joint at which two pubic bones fuse together
Term
synovia
Definition
fluid secreted by the synovial membrane and found in joint cavities
Term
bursa
Definition
fluid filled sac that allows for easy movement of one part of a joint over another
Term
ligament
Definition
flexible tough band of fibrous connective tissue that attaches one bone to another at a joint
Term
tendon
Definition
band of fibrous connective tissue that attaches muscle to bone
Term
aponeurosis
Definition
strong sheet of tissue that acts as a tendon to attach muscles to bone
Term
skeletal muscles
Definition
striated muscles, attached to bones by tendons and make body movement possible. Produce action by pulling and by working in pairs. Known as voluntary muscles because we have control over these muscles.
Term
smooth muscles
Definition
unstriated muscles located in internal organs such as the walls of blood vessels and the digestive tract. involuntary muscles because they respond to impulses from the autonomic nerves and are not controlled voluntarily.
Term
cardiac muscle
Definition
myocardium. forms most of the wall of the heart, Its involuntary contraction produces the heartbeat.
Term
abduction
Definition
movement of drawing away from the middle
Term
adduction
Definition
movement of drawing toward the middle
Term
inversion
Definition
turning inward
Term
eversion
Definition
turning outward
Term
extension
Definition
movement in which a limb is placed in a straight position
Term
flexion
Definition
movement in which a limb is bent
Term
pronation
Definition
movement that turns the palm down
Term
supination
Definition
movement that turns the palm up
Term
rotation
Definition
turning around its own axis.
Term
carp/o
Definition
carpals (wrist bones)
Term
clavic/o
Definition
clavicle
Term
cost/o
Definition
rib
Term
crani/o
Definition
cranium
Term
femor/o
Definition
femur
Term
fibul/o
Definition
fibula (lower leg bone)
Term
humer/o
Definition
humerus (upper arm bone)
Term
ili/o
Definition
ilium
Term
ischi/o
Definition
ischium
Term
lumb/o
Definition
loin, lumbar region of the spine
Term
mandibul/o
Definition
mandible (lower jawbone)
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