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Stratified Cuboidal & Transitional Epithelium

Stratified Cuboidal & Transitional Epithelium

Author: Aaron Mullally
Description:

- understand the morphology of stratified cuboidal tissue

- know that stratified cuboidal tissue is not a common tissue in humans

- know where stratified cuboidal tissue is located in humans

- understand the morphology of transitional epithelium

- know where transitional epithelium is located

- know why transitional epithelium is called transitional

In this packet you will learn stratified cuboidal and transitional epithelium.

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Tutorial

Stratified cuboidal epithelium
- multiple layers of cuboidal cells
- found in glands of the body; reproductive glands, sweat glands, & mammary glands
- used to produce hormones (males & females) and sperm in males
- found in ovarian follicles and seminiferous tubules of the testes

Transitional epithelium
- circular shaped cells that can stretch when pressure is put on them
- this is useful in areas of the body where filling takes place such as the urinary bladder and the ureters

Source: Self Made

Stratified Cuboidal & Transitional Epithelial Tissues

Here is a video explaining the morphological and functional characteristics of stratified cuboidal and transitional epithelial tissues

Source: Self made with images from Marieb & http://www.udel.edu/biology/Wags/histopage/colorpage/colorpage.htm

Stratified Cuboidal & Transitional Epithelium Images

Here are some images of stratified cuboidal and transitional epithelial tissues. With the transitional epithelial tissue pay attention to the shape of the nucleus. Notice how the nucleus takes on a more flattened shape as the cells become distended vs. their normal round shape when the cells are relaxed.