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Tissues.pdf - A. Tissue – a grouping of cells that are...

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A. Tissue – a grouping of cells that are similarin structure and perform a common orrelated functionB. Histology – the study of tissues; requires amicroscopeC. 4 basic types1.Epithelial tissue (epithelium)2.Connective tissue3.Nervous tissue4.Muscle tissue
D. Epithelium1. FunctionsA) ProtectionB) AbsorptionC) FiltrationD) ExcretionE) SecretionF) Movement/Propulsion
2. General CategoriesA) Lining & covering epitheliumB) Glandular epithelium3. Characteristics of epitheliumA) Cellularity – almost entirely cellsB) Polarity1) Apical border
2) Basement membraneC) Connective tissue supportD) Innervated but avascularE) Highly reproductive4. Classification – many types namedaccording to the number of cell layers andthe cell’s shape
A) Number of cell layers1) Simple2) StratifiedB) Cell’s shape1) Squamous2) Cuboidal3) Columnar
C) Types of epithelium1) Simple squamousa) Lines thesystemiccapillaries,glomeruli in thekidneys & alveoliin the lungsb) Filtration,absorption &secretion
2) Stratified squamousa) Nonkeratinizedi) Lines themouth,esophagus &vaginaii) Protection

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Term
Summer
Professor
P.Deleon
Tags
Collagen, Elastic Cartilage

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