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Lab Exercise Classification of Tissues: Epithelial Tissue






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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.
Lab Exercise Classification of Tissues: Epithelial Tissue

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Slide 1

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

Slide 2

Classification of Epithelia

1. Number of cell layers

Slide 3

  • 2. Shape of the cells

Slide 4

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

Apical Surface

LUMEN

Epithelial Tissue

Connective Tissue

BasementMembrane

Slide 5

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

Slide 6

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.

Slide 7

Simple Squamous EpitheliaAlveoli (air sacs) of Lungs

Slide 9

Simple Squamous Epithelium

L

L

L

L

L

L

Slide 10

Simple Cuboidal EpitheliaKidney Tubules

Kidney Tubules

Slide 11

Apical

surface

Slide 12

Simple Cuboidal Epithelium

L

L

L

Slide 13

Cross Section through the Small Intestine

Lumen

Slide 14

Simple Columnar Epithelium

Apical

surface

Basement

membrane

Connective

Tissue

Slide 15

Simple Columnar Epithelium

L

Lumen

L

L

Slide 16

Stratified Squamous EpitheliaSkin

Slide 17

Apical

surface

Lumen

Slide 18

Stratified Squamous Epithelium

LUMEN

Slide 19

Stratified Squamous Epithelium

Slide 20

Pseudostratified Ciliated Columnar EpitheliaTrachea (cross section)

Lumen

Slide 22

Pseudostratified Ciliated Columnar Epithelium

LUMEN

Cilia

Slide 23

Transitional EpitheliaUrinary Bladder

Lumen

Lumen

Slide 25

Transitional Epithelium

LUMEN

Slide 26

PRACTICE TIME!

Let’s see how you do!

Slide 27

Name this tissue.

Slide 28

Simple Cuboidal Epithelium

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

Slide 29

Name this tissue

Slide 30

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?

Slide 31

Name this tissue

Slide 32

Transitional Epithelium

Where can you find this in the body?

Slide 33

Name this tissue

Slide 34

Simple Squamous Epithelium

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

Slide 35

Name this tissue.

Slide 36

Simple Squamous Epithelium (again!)

Slide 37

Name this tissue

Slide 38

Simple Columnar Epithelium

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

Slide 39

Name this tissue.

Slide 40

Pseudostratified Ciliated Columnar Epithelium

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

Slide 41

Epithelia Image Gallery

Slide 42

Simple Squamous Epithelia

Slide 43

Simple Squamous Epithelia

Slide 44

Simple Cuboidal Epithelia

Slide 45

Simple Cuboidal Epithelia

Slide 46

Simple Cuboidal Epithelia

Slide 47

Simple Columnar Epithelia: pointer is on the basement membrane

Slide 48

Simple Columnar Epithelia: pointer is on a goblet cell

Slide 49

Simple Columnar Epithelia

Slide 50

Simple Columnar Epithelia

Slide 51

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

Slide 52

Stratified Squamous Epithelia

Slide 53

Stratified Squamous Epithelia

Slide 54

Pseudostratified Ciliated Columnar Epithelia: pointer is on the basement membrane

Slide 55

Pseudostratified Ciliated Columnar Epithelia

Slide 56

Pseudostratified Ciliated Columnar Epithelia

Slide 57

Pseudostratified Ciliated Columnar Epithelia

Slide 58

Transitional Epithelia: pointer is on the basement membrane

Slide 59

Transitional Epithelia: pointer is on the basement membrane

Slide 60

Transitional Epithelia

Slide 61

Transitional Epithelia


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