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Lab Exercise Classification of Tissues: Epithelial Tissue PowerPoint PPT Presentation


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Lab Exercise Classification of Tissues: Epithelial Tissue. Tissue : a collection of similar cells working together Epithelial Tissue : cells that line the cavities and surfaces of organs & structures Pg. 56 of book and page 12-14 of packet. Classification of Epithelia. - PowerPoint PPT Presentation

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Lab Exercise Classification of Tissues: Epithelial Tissue

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Lab exercise classification of tissues epithelial tissue l.jpg

Lab Exercise Classification of Tissues: Epithelial Tissue

Tissue: a collection of similar cells working together

Epithelial Tissue: cells that line the cavities and surfaces of organs & structures

Pg. 56 of book and page 12-14 of packet


Classification of epithelia l.jpg

Classification of Epithelia

1. Number of cell layers


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  • 2. Shape of the cells


Lumen the open space above the apical surface of a structure l.jpg

Lumen: The open space above the apical surface of a structure

Apical Surface

LUMEN

Epithelial Tissue

Connective Tissue

BasementMembrane


Lumen the inner open space or cavity of a tubular organ as of a blood vessel or an intestine l.jpg

Lumen: The inner open space or cavity of a tubular organ, as of a blood vessel or an intestine.

Apical Surface

Connective

Tissue

LUMEN

Epithelial

Tissue

Basement Membrane


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I will use BOTH microscopes AND diagrams to test you on epithelial tissues. Make sure you look at the microscopes in lab and the diagrams in this presentation.


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Simple Squamous EpitheliaAlveoli (air sacs) of Lungs


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Simple Squamous Epithelium

L

L

L

L

L

L


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Simple Cuboidal EpitheliaKidney Tubules

Kidney Tubules


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Apical

surface


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Simple Cuboidal Epithelium

L

L

L


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Cross Section through the Small Intestine

Lumen


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Simple Columnar Epithelium

Apical

surface

Basement

membrane

Connective

Tissue


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Simple Columnar Epithelium

L

Lumen

L

L


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Stratified Squamous EpitheliaSkin


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Apical

surface

Lumen


Stratified squamous epithelium l.jpg

Stratified Squamous Epithelium

LUMEN


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Stratified Squamous Epithelium


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Pseudostratified Ciliated Columnar EpitheliaTrachea (cross section)

Lumen


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Pseudostratified Ciliated Columnar Epithelium

LUMEN

Cilia


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Transitional EpitheliaUrinary Bladder

Lumen

Lumen


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Transitional Epithelium

LUMEN


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PRACTICE TIME!

Let’s see how you do!


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Name this tissue.


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Simple Cuboidal Epithelium

Found where? Can you identify the lumen? Apical and basement membrane?


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Name this tissue


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Stratified Squamous Epithelium

Where in the body is this found? Can you find the lumen/apical surface/basement membrane? What is found under the basement membrane?


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Name this tissue


Transitional epithelium32 l.jpg

Transitional Epithelium

Where can you find this in the body?


Name this tissue33 l.jpg

Name this tissue


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Simple Squamous Epithelium

Note it’s just ONE layer of flat shaped cells! Where in the body do you find this epithelium?


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Name this tissue.


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Simple Squamous Epithelium (again!)


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Name this tissue


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Simple Columnar Epithelium

Can you see the goblet cell? What do they make?


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Name this tissue.


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Pseudostratified Ciliated Columnar Epithelium

Do you see the cilia? Where in the body can you find this epithelium?


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Epithelia Image Gallery


Simple squamous epithelia l.jpg

Simple Squamous Epithelia


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Simple Squamous Epithelia


Simple cuboidal epithelia l.jpg

Simple Cuboidal Epithelia


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Simple Cuboidal Epithelia


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Simple Cuboidal Epithelia


Simple columnar epithelia pointer is on the basement membrane l.jpg

Simple Columnar Epithelia: pointer is on the basement membrane


Simple columnar epithelia pointer is on a goblet cell l.jpg

Simple Columnar Epithelia: pointer is on a goblet cell


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Simple Columnar Epithelia


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Simple Columnar Epithelia


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Non-Keratinized Stratified Squamous Epithelia: pointer is on the basement membrane


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Stratified Squamous Epithelia


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Stratified Squamous Epithelia


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Pseudostratified Ciliated Columnar Epithelia: pointer is on the basement membrane


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Pseudostratified Ciliated Columnar Epithelia


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Pseudostratified Ciliated Columnar Epithelia


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Pseudostratified Ciliated Columnar Epithelia


Transitional epithelia pointer is on the basement membrane l.jpg

Transitional Epithelia: pointer is on the basement membrane


Transitional epithelia pointer is on the basement membrane59 l.jpg

Transitional Epithelia: pointer is on the basement membrane


Transitional epithelia l.jpg

Transitional Epithelia


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Transitional Epithelia