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Anatomy Unit Two
Epithelial Tissue
Term | Definition |
---|---|
Simple Epithelium | One cell layer thick |
Stratified Epithelium | Multiple layers thick |
Squamous Shape | Flat, like fish scales |
Cuboidal Shape | Cube, dice shape |
Columnar Shape | Tall column shape |
Pseudostratified Epithelium | False stratified; one layer thick, cilia on top |
Transitional Epithelium | Stratified; Bulb rounded shape relaxed, flattens out when stretched |
Classification of epithelium | Number of layers and shape of cells |
Apical Surface | Free surface of epithelial tissue |
Basal Surface | Bottom surface of epithelial tissue; attached to connective tissue (basement membrane) |
Avascular | Have no blood supply; blood comes from connective tissue |
Regenerate | Regrow; renew (Epithelial regenerate quickly) |
Location of transitional epithelial tissue | bladder, kidneys, ureters |
Main Job of Epithelial Tissue | Protective lining of body and organs inside and outside |