what is nonkeratinized stratified squamous epithelium?
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Nonkeratinized SSE is composed of a variable number of layers. The cells in the deeper, basal layer appear cuboidal with a clear cytoplasm usually, due to their glycogen content. The cells in the surface layer are squamous, or flat.
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['epithelium - the surface "skin" of the the larynx, which is continuous with the lining of the mouth, pharynx and with the trachea below the larynx.', 'lamina propria - three distinct layers, each with a different consistency.']
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Stratified squamous epithelium is a type of tissue found covering and lining parts of the body. In this tissue, cells are flattened, joined tightly together, and stacked. The major function of this tissue type is protection, as it is found in areas that undergo wear-and-tear.
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Another kind of stratified epithelium is transitional epithelium, so-called because of the gradual changes in the shapes of the apical cells as the bladder fills with urine. It is found only in the urinary system, specifically the ureters and urinary bladder.
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Location. Epithelium lines both the outside (skin) and the inside cavities and lumina of bodies. The outermost layer of human skin is composed of dead stratified squamous, keratinized epithelial cells.
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['There are three principal cell shapes associated with epithelial cells: squamous epithelium, cuboidal epithelium, and columnar epithelium.', 'There are three ways of describing the layering of epithelium: simple, stratified, and pseudostratified.']
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Non-melanoma skin cancer refers to a group of cancers that slowly develop in the upper layers of the skin. The term non-melanoma distinguishes these more common types of skin cancer from the less common skin cancer known as melanoma, which can be more serious.
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Simple squamous epithelia are found in capillaries, alveoli, glomeruli, and other tissues where rapid diffusion is required. Cells are flat with flattened and oblong nuclei. ... This epithelium is associated with filtration and diffusion. This tissue is extremely thin, and forms a delicate lining.
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Stratified Epithelium Stratified epithelia consist of more than one layer of cells and only one layer is in direct contact with the basement membrane. Similarly, only one layer of cells has the apical surface exposed to the lumen of the organ or to the external environment.
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Simple epithelia comprise a single layer of cells. Stratified epithelia comprise two or more layers. ... Stratified epithelia are named after the shape of their most superficial layer of cells. A transitional epithelium is a type of stratified epithelium that has cells with shapes that fall between cuboidal and squamous.
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Stratified squamous epithelium: This tissue is the stuff you see every day — your outer skin, or epidermis. This multilayered tissue has squamous cells on the outside plus deeper layers of cuboidal or columnar cells.
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The highlighted epithelial tissue is transitional epithelium. Highlighted epithelial tissue is transitional epithelium. The highlighted layer would NOT be stratum lucidum. The highlighted epithelium contains 5 layers in thick skin.
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The skin is an epithelial membrane also called the cutaneous membrane. It is a stratified squamous epithelial membrane resting on top of connective tissue.
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Simple epithelial tissue is organized as a single layer of cells and stratified epithelial tissue is formed by several layers of cells.
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Transitional epithelium is a type of stratified epithelium. This tissue consists of multiple layers of epithelial cells which can contract and expand in order to adapt to the degree of distension needed. Transitional epithelium lines the organs of the urinary system and is known here as urothelium.
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The surface of the tongue is covered by stratified squamous epithelium, modified on the upper surface into filiform papillae.
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It may be seen in the some parts of the oral cavity, pharynx, esophagus, distal ureters, vagina and external female genitalia. Nonkeratinized epithelium does contain some keratinized cells, however the amount of keratin deposition will vary depending on the level of dessication and abrasion it may be exposed to.