UGA CBIO 2200 - Epithelial Tissue (4 pages)

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Epithelial Tissue



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Epithelial Tissue

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Layer of Epithelium


Lecture number:
6
Pages:
4
Type:
Lecture Note
School:
University of Georgia
Course:
Cbio 2200 - Anat & Physiol I
Edition:
1

Unformatted text preview:

CBIO 2200 Edition Lecture 6 Outline of Last Lecture I Processes of membrane transport II Vesicular Transport III The Cell Interior Chapter 5 Histology IV Introduction to Ch 5 Outline of Current Lecture I Classes of Epithelium and Cell Shape II Simple Epithelia III Stratified Epithelia IV Connective Tissue Functions V Adipose Tissue VI Cartilage Current Lecture I Classes of Epithelium and Cell Shape a Simple epithelium one layer of cells b Stratified epithelium contains more than one layer above the first layer cells do not touch basement membrane c Shapes i Squamous can be simple or stratified ii Columnar simple or stratified iii Cuboidal simple or pseudo stratified These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II III IV d Pseudo stratified epithelium looks stratified but it s now all of the cells touch the basement membrane e Stratified columnar is very rare Simple Epithelia a Four types i Simple squamous single row of thin cells ii Simple cuboidal typically around ducts iii Simple columnar single row of tall and narrow cells iv Pseudo stratified columnar ciliated cells tend to be found in respiratory tract looks multilayered nuclei at several layers 1 Often associated with goblet cells produce mucous for lubrication and getting rid of things in respiratory tract to remove dust particles 2 Goblet cells are also associated with simple columnar Stratified Epithelia a Some cells resting directly on others b Three stratified epithelia are names for their shapes of their surface cells i Stratified squamous our skin 1 Deepest layers undergo mitosis divide a Exfoliation od desquamation shedding off of cells b Die when they reach their surface because blood vessels don t reach from basement membrane top layer shed tope layer cells constantly 2 Two kinds of stratified squamous epithelia a Keratinized Keratin is a protein in skin has a very dark pink color to it because



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