Shared Flashcard Set

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Anatomy Bone
N/A
25
Anatomy
Undergraduate 4
04/08/2014

Additional Anatomy Flashcards

 


 

Cards

Term
The two divisions of the adult skeletal system
Definition

1) Axial skeleton (80 bones)

2) Appendicular skeleton (126 bones)

Term
Functions of the skeletal system
Definition

1) Support

2) Storage of minerals

3) Blood cell production

4) Protection

5) Leverage

Term
Six categories of bones based on shape
Definition

1) Flat bones

2) Sutural bones

3) Long bones

4) Irregular bones

5) Sesamoid bones

6) Short bones

Term
Long bone features
Definition

1) Epiphysis (expanded ends)

2) Metaphysis (connects epiphysis to shaft)

3) Diaphysis (shaft)

Term
The medullary cavity is filled with
Definition
Red & yellow bone marrow
Term
Four bone cell types
Definition

1) Osteocytes

2) Osteoblasts 

3) Osteoprogenitor cells

4) Osteocytes

Term
Calcium phosphate accounts for how much bone weight?
Definition
2/3rds
Term
Which type of bone is adapted to withstand stresses from many directions?
Definition
Spongy bone
Term
The most abundant mineral in the human body is
Definition
Calcium
Term
What happens during appositional growth?
Definition
Bones grow wider
Term
Define calcification
Definition
The deposition of calcium salts in bone tissues
Term
Overproduction of growth hormone before puberty is
Definition
Gigantism
Term
The two disorders causing shortened bones
Definition

1) Pituitary Growth Failure

2) Achondroplasia 

Term
Define fracture
Definition
Crack or break due to extreme mechanical stress
Term
Fractures that project through the skin are called
Definition
Open or Compound fractures
Term
This type of fracture generally occurs in children
Definition
Greenstick fractures
Term
A Pott fracture occurs where
Definition
At the ankle and affects both leg bones
Term
Initial bone formation in embryo begins with
Definition
Cartilage
Term
The two layers of periosteum
Definition

1) Fibrous outer layer

2) Cellular inner layer

Term
Interstitial lamellae fills spaces between
Definition
Osteons
Term
The small rounded passageway of the skull surface
Definition
Foramen
Term
Bone surface features are also known as
Definition
Bone markings
Term
Cells that secrete the organic components of the bone matrix are called
Definition
Osteoblasts
Term
This allows a bone to grow in length
Definition
Epiphyseal cartilages
Term
The basic functional unit of mature compact bone is the
Definition
Osteon
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