Anatomy Quiz 1
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Created by:
12pachaney on September 19, 2011
Description:
Muscle & Tissue
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25 terms
Terms | Definitions |
|---|---|
 Epithelial tissue | protective tissue |
| connective tissue | binds body parts together, supports body |
| muscular tissue | specialized for movement |
| nervous tissue | specialized for communication |
| Structural characteristics for Epithelial | close arrangement of cells with little or not intercellular matrix,avascular: no blood vessesls penetrate in between cells undergoes frequent cell division due to wear and tear |
| secretion | lining of respiratory tract secrete mucous to help clean ; lining of digestive tract secrets mucous to protect inside walls of organs |
| absorption | digestive tract absorbs nutrients from food, moves into blood |
| shape of epithelial | squamous, cubodial, columnar |
| squamous | flat cells lines mouth, lungs, blood vessels |
| cuboidal | cube shaped, cells width= lengh lines kidneys |
| columnar | like a column, cells longer than wide lines digestive tract, respiratory tract |
| layers | epithelial tisse can be categorized by the number of layers |
| simple layer | 1 layer of cells |
| stratified | more than 1 layer of cells |
| pseudostratified | looks layered but isn't occurs in columnar cells |
| microvilli | microscopic fingerlike projections on surface of cell found in digestive tract increases surface area absorption |
| cilia | hairlike structures on surface of cell lines respiratory tract to move substances along |
| goblet cells | special cells that secrete mucous lines digestive tract, respiratory tract |
| muscle tissue | speciality is contraction: shortening of muscle fiber |
| muscle cell | muscle fiber |
| 3 types of muscle tissue | skeletal, visceral, cardiac |
| skeletal | or striated muscle (striped) attached to bones, visibly moves body parts multi nucleated cylindrical in shape alternating bands of light and dark under voluntary control |
| visceral | smooth refers to internal organs inside walls of stomach, uterus, intestine, blood vessels one nucleus spindle-shaped no striations involuntary control |
| cardiac | found only in heart muscle combines features of skeletal and visceral one nucleus striated cylindrical cells' involuntary control |
| nervous tissue | found in brain, spinal cord, nerves cells: neurons, neurological cells, others |
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