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Chapter Six Flash Cards
Flash Cards
15
Anatomy
Not Applicable
09/13/2012

Additional Anatomy Flashcards

 


 

Cards

Term
Flat Bones
Definition

Thin, roughly parallel surfaces

ex. cranial bones

Term
Sutural Bones
Definition

Irregular bones formed between cranial bones

 

Term
Long Bones
Definition

Relatively long and slender

ex. bones of the limbs

Term
Sesamoid Bones
Definition

small, flat and somewhat shaped like a sesame seed

delevop in tendons of knee, hands and feet

Term
Short Bones
Definition

small and boxy

bones of the wrist (carpals) and ankles (tarsals)

Term
Metaphysis
Definition
connects epiphysis to shaft
Term
Osteocytes
Definition

Mature bone cells that cannot divide

most numerous bone cell type

 

Term
Osteoblasts
Definition
Produce new bony matrix (ostergenesis or ossification)
Term
Osterprogenitor Cells
Definition
Stem cells that produce cells that differentiate into osteoblasts
Term
Osteoclasts (to break)
Definition

Remove and remodel bone matrix

gian cells with 50+ nuclei

Term
Spongy Bone
Definition

Located where bones not heavily stressed or in many directions

Lamallae forms struts and plates (trabeculae)

Term
Perforating Fibers
Definition

Created by osteoblasts in peristeum cellular layer

strongly connect tendons, ligaments, and joint capsuels to bone through periosteum

Term
Periosteum
Definition

Two layers: Fibrous outter layer and cellular inner layer

isolates bone from surrounding tissues

route for blood and nervous supply

actively participates in bone growth and repiar

 

Term
Achondroplasia
Definition

Epiphyseal cartilage grows unsually slow

limbs are short and trunk is normal size

Term
Giantism
Definition
Overproduction of growth hormone befor puberty
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