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BIO 168
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25
Biology
Undergraduate 1
04/23/2014

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Term
206
Definition
How many bones are in the human body?
Term
126
Definition

How many bonesare in the Axial skeleton?

 

Term
80
Definition

How many bones are in the Appendicular skeleton?

 

Term
Flat, Sutural, Long, Irregular, Short, and Sesamoid
Definition
What are the 6 catigories of bones based on shape?
Term
Epiphysis
Definition
Consist largely of spongy bone 
Term
 Articular Cartilage
Definition
Covers portions of epiphysis that form articulations
Term
Osteocytes, Osteoblasts, Osteoprogenitor, Osteoclasts
Definition
What are the 4 bone cell types?
Term
Circumferential lamellae
Definition
Outer and inner surfaces of compactbone layer
Term
Interstitial lamellae
Definition
Fills spaces between osteons
Term
Spongy bone
Definition
Located where bones ot heavily stressed or in many directions
Term
Appositional bone growth
Definition
Increases bone diameter of existing bones
Term
Fibrous outer layer, Cellular inner layer
Definition
What are the two layers of periosteu,?
Term
Endosteum
Definition
Incomplete cellular layer lining medullary cavity
Term
Marfan syndrome
Definition
Excessive cartilage formation at epiphyseal cartilage
Term
Gigantism
Definition
Overproduction of growth hormone before puberty
Term
Acromegaly
Definition
Growth hormone levels ride after epiphyseal plates close
Term
Calcium
Definition
Most abundant minerin in the body
Term
Closed and simple
Definition
Fractures only seen on x-rays
Term
Open or compound
Definition
Fractures that project through skin
Term
Spiral
Definition
Fracture produced by twistinf stresses
Term
Compression
Definition
Fracture in the vertebrae subjected to extreme stresses
Term
Calcium Phosphate
Definition
accounts for 2/3 bone weight
Term
Epipyseal
Definition
Where bone matrix is calcifying
Term
Fracture
Definition
Crack or break due to extreme mechanical stress
Term
Pituitary growth failure
Definition
Reduction in growth hormone leads to reduced epiphyseal cartilage activity and short bones
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