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Information about Bones from chapter 6

Osteoporosis

Bone resorption outpaces bone deposit

Osteitis

Inlfammation of bony tissue

Axial and Appendicular

two main divisions of bones in skeleton

Flat bones

thin, flat,

Tuberosity

large rounded projection, may be roughened

Meatus

canal-like passageway

Trabeculae is located?

Spongy bone

Sharpley's fibers

connect periosteum to bone

Diploe

spongy bone in flat bones

Articular cartilage

hayaline, cushions bone ends

Osteoblasts

bone-forming

Displaced fracture

bone ends have moved

Wolffs Law

bone grows of remodels in respongs to demands placed on it

Closed reduction

bone ends moved by physican's hands

Bone spur

abmormal projection from a bone due to bony overgrowth, common in aging bones

3 types of cartilage tissue in body

hyaline, elastic, fibrocartilage

Axial skeleton

long axis of body

Hematopoieis

blood cell formation

trochanter

very large, blunt, irregulary shaped process

Facet

smooth, nearly flat articualar surface

Fossa

shallow, basinlike depression in a bone, often sevres as articular surface

Epiphyses

bone ends

periosteum

covers entire lone bone, double-layered membrane

Lacunae

hold osteocytes

2 types of ossification

Intramembranous ossification & endochondral ossification

4 major stages for repair of fractures

Hematoma formation, fibrocartilaginous callus formation, bondy callus formatoin, bone remodeling

Paget's Disease

Excessive and haphoazard bonde deposit & resorption

Perichondrium

fibrous connective tissude membrane covering extermal surface of cartilaginous structures

Most abundant cartilage in body?

Hyaline Cartilage

Part of external ear

Elastic Cartilage

Upper and Lower limbs

Appendicular Skeleton

Short bones

cube shaped, wrist & ankle

Tubercle

small rounded projection or process

Condyle

rounded articular projection

Process

any bony prominence

Head

bony expansion carried on a narrow neck

Groove

furrow

Compact bone

external layer, dense, looks smooth & solid

Diaphysis

fomrs long axis of bone

Epishyseal line

between diaphysis and epiphysis in adults

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