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Bone Development
Types of bones
15
Anatomy
Undergraduate 1
03/30/2009

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Term
Long Bones
Definition
Longer than wide (ie. humerus, radius, ulna)
Term
Short Bone
Definition
Nearly equal in length and width
(ie. carpal and tarsal)
Term
Flat Bones
Definition
enclose and protect soft organs and provide broad surfaces for muscle attachment

(ie. cranial bones, ribs)
Term
Irregular Bones
Definition
elaborate shapes
(ie. vertebrae , skull bones)
Term
Compact (dense) bones
Definition
made up of calcium phosphate and collegen

White osseous tissue, not solid
Term
Spongy (cancelous) bone
Definition
Towards the flared out part of the bone
Term
Diaphysis
Definition
Long shaft
Term
Epiphysis
Definition
Expanded head (at each end) for muscle attachment
Term
cortex
Definition
External to the core
Term
Periosteum
Definition
a sheath over the bone coated with collagen
Term
Osteoporosis
Definition
Not enough calcium phosphate
Term
Brittle bone disease
Definition
Body doesnt make enough collagen, easy to break
Term
Matrix
Definition
"material"

Some cells are separated by secreations made by the cells themselves- called matrix

Skin- mostly matrix
Blood- mostly matrix "plasma"
Connective tissue- mostly matrix
Term
Osteocite
Definition
Mature bone cell
Term
Chondrocyte
Definition
Cartilidge cell
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