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Cards In This Set
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Tissue
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A group of cells that have similar structure and that function together as a unit
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Histology
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The microscopic study of tissues
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Intercellular matrix
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Nonliving material that fills the spaces between the cells
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Epithelial tissues
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Form the coverings of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands
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Basement membrane
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Underlying connective tissue
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Squamous cells
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Flat cells; the nuclei are usually broad and thin
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Cuboidal cells
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Cubelike cells; as tall as they are wide; the nuclei are spherical and centrally located
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Columnar cells
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Tall and narrow: columns; the nuclei are usually in the lower portion of the cell near the basement membrane
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Simple epithelium
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Have only one layer
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Stratified epithelium
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Have multiple layers
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Simple squamous epithelium
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Single layer of thin, flat cells
alveoli of lungs, capillary walls, kidneys |
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Simple cuboidal epithelium
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Single layer of cuboidal cells
ovary, thyroid gland, kidney tubules, pancreas, salivary glands |
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Simple columnar epithelium
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Single layer of tall cells; often contains goblet cells
stomach, intestines |
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Microvilli
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Increase the surface area that is available for absorption of nutrients
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Goblet cells
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Frequently interspread among the simple columnar cells; flask- or goblet- shaped cells that secrete mucus onto the free surface of the tissue
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