Chapter4TissuesMariebPart1

Chapter4TissuesMariebPart1 - Chapter 4: Tissues, Part 1...

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Tissue = A collection of cells that perform related functions, and are similar in structure, or a mass of like cells Histology = The study of tissues The Four Primary Tissue Types Epithelial Connective Muscular Nervous Chapter 4: Tissues, Part 1 Developed by John Gallagher, MS, DVM
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Epithelial Tissue 1. Epithelium / -a = cell layer (barrier) Epi = on or upon Protection: covering or lining—inside and out Permeability control: selective secretion and absorption Sensation: touch receptors etc. and neuroepithelium of special senses 2. Glands = secretory structure Specialized secretions Saliva, hormones, many others The Four Primary Tissue Types Epithelial Connective Muscular Nervous
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Epithelial tissues Squamous Simple Stratified Keratinized Nonkeratinized Columnar Simple Pseudostratified Transitional Cuboidal Simple Stratified A Concept Map
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BM apical basal Structural Characteristics of Epithelia p 69 Cellularity (little to no IC Space) Cell to cell contacts Polarity (sometimes) Basement Membrane Support by connective tissue Avascular (esp. epidermis) Regeneration/repair
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Polarity of (some) Epithelial Cells
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This note was uploaded on 12/16/2011 for the course BIOLOGY 101 taught by Professor Mr.wallace during the Fall '11 term at Montgomery College.

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Chapter4TissuesMariebPart1 - Chapter 4: Tissues, Part 1...

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