The primary purpose of stratification in epithelial tissue is for increased

The primary purpose of stratification in the epithelial tissue is for increased protection.

Epithelial tissue is one of the four basic types of tissue present in animals such as humans. Its functions vary depending on the type of cell componing the epithelium and by the number of layers this tissue has.

If we differentiate epithelia by number of layers, we can observe:

Simple epithelium: A single layer of cells makes up a simple epithelium. They're where absorption, secretion, and filtration usually happen. These processes are aided by the epithelium barrier's thinness.Pseudostratified: When seen in cross-section, they are simple columnar epithelial cells with nuclei that appear at various heights, providing the deceptive appearance that the epithelium is stratified. This type of epithelial tissue can also have extensions of their luminal membrane called cilia, which are important in the airways.Stratified epithelium: The multilayered nature of stratified epithelium distinguishes it from plain epithelium. As a result, it's prevalent in places where bodily linings must endure mechanical or chemical attacks, like the stomach or the skin. One of their primary roles is protection.

In conclusion, the parts of the body where we need the most protection against chemical or mechanical factors, are the organs where we will have stratified epithelium.

Learn more about stratified epithelium here:

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