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Ch.14 Musculoskeletal System
Terms
43
Accounting
1st Grade
03/29/2011

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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 lie underneath the periosteum
Term
cancellous [spongy] bone
Definition
contains little spaces like a sponge and is encased in the layers of compacct bone
Term
endosteum
Definition
membranouis lining of the hollow cavity of the bone
Term
diaphysis
Definition
shaft of the lone bones
Term
epiphysis
Definition
ends of the 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 the ends of llong bones. located of blood cell formation
Term
yellow marrow
Definition
soft, fatty material found in the medullary cavity of long bones
Term
maxilla
Definition
upper jawbone
Term
mandible
Definition
lower jawbone
Term
vertebral column
Definition
made up of bones called vertebrae or vertebra through which the spinal cord runs. the vertebral column protects the spinal cord, supports the haed, and provides a point of attachment for ribs and muscles
Term
cervical vertebrae [C1-C7]
Definition
first set of seven bones, forming the neck
Term
thoracic vertebrae [T1-T12]
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 [L1-L5]
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
part of the vertebral arch
Term
clavicle
Definition
collarbone
Term
scapula
Definition
shoulder blade
Term
acromion
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
upper arm bone
Term
ulna and radius
Definition
lower arm bones
Term
carpal bones
Definition
wrist bones
Term
metacarpal bones
Definition
hand bones
Term
phalanges
Definition
finger and toe bones
Term
pelvic bones, hip bone
Definition
made up of three bones fused together
Term
ischium
Definition
lower, rear portion on whcih one sits
Term
ilium
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
Term
calcaneus
Definition
heel bone
Term
metatarsal bones
Definition
foot bones
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 pad foudn between the vertebrae in the spine
Term
pubic symphysis
Definition
cartilaginous joint at which two pubic bones fuse together
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