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The dominant function of stratified epithelium is to protect underlying structures from mechanical wear and tear.
it doesnt HAHA ;D
Stratified epithelia (of columnar, cuboidal or squamous type) can have the following specializations:KeratinizedIn this case, the most apical layers (exterior) of cells are dead and lose their nucleus and cytoplasm, instead contain a tough, resistant protein called keratin. This specialization makes the epithelium waterproof, so is found in the mammalian skin. The lining of the esophagus is an example of a non-keratinized or "moist" stratified epithelium.[citatioTransitional ornon-keratinizedTransitional epithelium, like pseudostratified epithelium, is almost a class of its own; it is found in tissues that stretch and it can appear to be stratified cuboidal when the tissue is not stretched or stratified squamous when the organ is distended and the tissue stretches. It is sometimes called the urothelium since it is almost exclusively found in the bladder, ureters and urethra.[citation needed]taken from wikipedia (Related Link)
The function of the ciliated epithelium of the tracheobronchial tree is secretion and absorption. These cells control the mucus produced.
Function reflects structure and structure determines function
The dominant function of stratified epithelium is to protect underlying structures from mechanical wear and tear.
Stratified squamous epithelium consists of several layers of cells, which protect the areas of the body It can be found in areas such as the esophagus, mouth, and the outer portion of the skin (epidermis).
The function of stratified columnar epithelium is protection and secretion. It is arranged in multiple layers and is commonly found in the ocular conjunctiva of the eye, female uterus, male urethra and many other organs.
The oropharynx and the laryngopharynx are lined by non-keratinizing stratified squamous epithelium.
Epithelium is found covering external or internal surfaces in the body. Stratified epithelium consists of more than one layer of cells. It is often found in situations subject to abrasion, where the top layers of cells are worn off. Layers underneath replace the lost cells, so the basic function of stratified epithelium is protection. See: http://ect.downstate.edu/courseware/histomanual/epithelia.html
it doesnt HAHA ;D
Stratified epithelia (of columnar, cuboidal or squamous type) can have the following specializations:KeratinizedIn this case, the most apical layers (exterior) of cells are dead and lose their nucleus and cytoplasm, instead contain a tough, resistant protein called keratin. This specialization makes the epithelium waterproof, so is found in the mammalian skin. The lining of the esophagus is an example of a non-keratinized or "moist" stratified epithelium.[citatioTransitional ornon-keratinizedTransitional epithelium, like pseudostratified epithelium, is almost a class of its own; it is found in tissues that stretch and it can appear to be stratified cuboidal when the tissue is not stretched or stratified squamous when the organ is distended and the tissue stretches. It is sometimes called the urothelium since it is almost exclusively found in the bladder, ureters and urethra.[citation needed]taken from wikipedia (Related Link)
The epithelium is non-keratinized stratified squamous epithelium with scattered mucus glands. Let's go through each of these characteristics: Stratified - Many cells so that friction from esophageal objects does not scrape off deep cells. Squamous - Flat cells that allow sloughing off and closer packing Mucus Glands - Lubricate the passage of food down esophagus All these things help the function of esophagus to transfer food from mouth to stomach!
This type of epithelium is frequently found in glands, and the pancreas, where its function is secretion.
You have stratified squamous epithelium present in your skin. There are multiple layers of the cells. Also called as strata. The outer layers are shed off and new layers come out to replace the old cells.
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