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Chapter 6
Osseus Tissue and Bone Structure
15
Biology
Undergraduate 1
05/29/2013

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Term
Axial Skelton
Definition
Bones of skull, thorax, and vertebral column.
Term
appendicular skeleton
Definition
bones of the limbs and girdles that attach them to the axial skeleton.
Term
Flat bones
Definition
thin, roughly parallel surfaces
Term
Long bones
Definition
Relatively long and slender
Term
Sutural bones
Definition
Irregular bones formed between cranial bones
Term
Irregular bones
Definition
complex shapes
Term
Sesamoid bones
Definition
small, flat, and somewhat shaped like sesame seed.
Term
Short bones
Definition
small and boxy
Term
Osteocytes
Definition
mature bone cells that cannot divide
Term
Osteoblasts
Definition
begins with release of proteins and other organic components to produce unmineralized matrix
Term
Endosteum
Definition
incomplete cellular layer lining medullary cavity
Term
Achondroplasia
Definition
Epiphyseal cartilage grows usually slow
Term
Gigantism
Definition
Overproduction of growth hormone before puberty.
Term
Acromegaly
Definition
growth hormone level rise after epiphyseal plates close
Term
Fracture
Definition
crack or break due to extreme mechanical stress
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