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Bio.168 Ch.6 hknight
Bio. 168 COA Chapter 6
15
Anatomy
Undergraduate 2
09/18/2012

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Term
Axial Skeleton
Definition
Consist of 126 bones including the skull, thorax and vertebral column.
Term
Appendicular Skeleton
Definition
Eighty bones of the Human Skeleton that includes the limbs, pectoral and pelvic girdles.
Term
Flat Bones, Surtural Bones, Long Bones, Irregular Bones, Sesamoid Bones and Short Bones
Definition
The major bones in the typical human skeleton can be divided into six broad categories based on their shapes.
Term
Foramen
Definition
A small, rounded passageway through which blood vessels or nerves penetrate the bone.
Term
Sinus
Definition
A chamber within bone that is filled with air.
Term
Medullary Cavity
Definition
Space within the hollow shaft of a long bone containing bone marrow.
Term
Osteocytes
Definition
Most numerous bone cell type that cannot divide.
Term
Osteoclasts
Definition
Remove and remodel the bone matrix.
Term
Appositional bone growth
Definition
Increases the bone diameter of existing bones.
Term
Gigantism
Definition
The disorder caused by the overproduction of growth hormone before puberty.
Term
Calcium
Definition
The most abundent mineral in the body.
Term
Parathyroid Hormone
Definition
Hormone that has multiple effects that increase blood calcium levels.
Term
Calcitonin
Definition
Hormone released when calcium ion concentrations in the blood rise above normal levels.
Term
Fracture Hematoma
Definition
Large blood clot that forms at the site of a fracture.
Term
Open or Compound Fracture
Definition
Type of fracture that projects through the skin.
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