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14 Cards in this Set
- Front
- Back
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What are the 4 basic types of tissues? |
Epithelial Tissue, Connective Tissue, Muscle Tissue, and Nervous Tissue |
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What are some general features of epithelial cells? |
Closely packed, basal lamina/basement membrane, avascular, continuous mitosis in the basal layer, polarized, and metaplasia |
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Difference between simple and stratified |
The number of layers. Simple- single layer Stratified-multiple layer |
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What is the specific name of the simple squamous epithelium lining blood and lymphatic vessels? |
Endothelium |
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What is the specific name of the simple squamous epithelium lining ventricles and atria of the heart?
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Endocardium |
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What is the specific name of the simple squamous epithelium lining the walls and covers the contents of closed cavities of the body(i.e. abdominal, pericardial, and pleural cavities?
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Mesothelium |
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What is an important cytoskeletal component of epithelial cells? |
Keratin |
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Where might you find transitional epithelium and what is its function? |
Urinary tract, bladders, ureters, and proximal portion of urethra. This epithelium helps expand urethra or bladder. (Not Contract!) It is stratified epithelium. |
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Purpose of simple squamous epithelium |
Diffusion and secretion |
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Purpose of stratified squamous epithelium |
Protection |
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Purpose of simple cuboidal epithelium |
Secretion and transcytosis |
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Purpose of simple columnar epithelium |
Secretion |
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What is the most common tumors among adults older than 45 years old? |
Adenocarcinomas: Malignant tumors derived from glandular epithelial cells. |
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Carcinomas are derived from? |
Epithelial cells |
