Tissues - Tissues Remon Wahba, MD Tissues Tissues are:...

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Tissues Remon Wahba, MD
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Tissues Tissues are: Group of specialized cells organized to perform a limited number of functions Histology = study of tissues The Four Primary types of Tissues are: 1. Epithelial 2. Connective 3. Muscular 4. Nervous
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Epithelial Tissue 1-14
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Epithelial Tissue Covers body surfaces & Lines body cavities Separated from underlying tissue by Basement Membrane Consists of cells that form: Membranes Glands
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Epithelial Tissue (cont) Cells are Regularly Replaced Cells are Tightly Joined together with small amount of matrix (intercellular substances) Epithelial Tissue does not contain Blood Vessels (Avascular)
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Epithelial Tissue
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Classification of Epithelial Tissue Number of cell layers Simple (one layer) Stratified (more than one layer) Shape of apical cells Squamous epithelial cells are flattened Cuboidal epithelial cells are cube-shaped Columnar epithelial cells are taller than wide
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Stratified Squamous Epithelial Tissue Non-keratinized stratified squamous consists of living cells Keratinized stratified squamous has outer layer of dead cells contain water-resistant keratin
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Keratinized Stratified Squamous Epithelial Tissue
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Simple Cuboidal Epithelium
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This note was uploaded on 12/22/2010 for the course BIOL 175L taught by Professor Wahba during the Fall '10 term at Coastline Community College.

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Tissues - Tissues Remon Wahba, MD Tissues Tissues are:...

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