what is the difference between simple epithelium and stratified epithelium?
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In a simple epithelium the cells form a single layer and are all attached to the basement membrane. A stratified epithelium consists of multiple layers of cells in which only the basal layer is attached to the basement membrane.
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Simple epithelium In general, simple epithelial tissues are classified by the shape of their cells. The four major classes of simple epithelium are (1) simple squamous, (2) simple cuboidal, (3) simple columnar, and (4) pseudostratified.
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The lining of the gastrointestinal tract is simple columnar epithelium. Epithelium lines body cavities and surfaces. Simple columnar epithelium is "simple" because it is one cell thick. "Columnar" cells are taller than they are wide and have an oval nucleus.
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A stratified squamous epithelium consists of squamous (flattened) epithelial cells arranged in layers upon a basal membrane. Only one layer is in contact with the basement membrane; the other layers adhere to one another to maintain structural integrity.
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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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Stratified squamous epithelium has multiple layers of cells becoming flattened as they move from the basal layer to the apical layers. It provides protection from abrasion and is keratinized on the external surface of the body.
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The main difference between epidermis and epithelium is that epidermis is the outermost protective layer of the skin of animals whereas epithelium is one of the four types of tissues in the animal body, which lines the internal and external surfaces of the body.
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is that epithelia is while epithelium is (anatomy) a membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs: internally including the lining of vessels and other small cavities, and externally being the skin.
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Simple squamous epithelium cells are flat in shape and arranged in a single layer. This single layer is thin enough to form a membrane that compounds can move through via passive diffusion.
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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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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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The lining of the mouth cavity is an example of an unkeratinized, stratified squamous epithelium. Stratified cuboidal epithelium and stratified columnar epithelium can also be found in certain glands and ducts, but are uncommon in the human body.
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Stratified squamous nonkeratinizing epithelium lines the lumen of the esophagus. This type of epithelium is found in mucous membranes.
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Cells in epithelial tissue or epithelium (epithelia; plural) are arranged in continuous sheets, in either single or multiple layers. ... Covering epithelium is the tissue that forms the outer covering of the skin and most internal organs like blood vessels and body cavities.
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Epithelial Cells: Epithelial cells are capable of transitioning into mesenchymal cells in EMT. Mesenchymal Cells: Mesenchymal cells are capable of transitioning into epithelial cells in MET. ... main difference between epithelial and mesenchymal cells is their levels of differentiation and function in the body.
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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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['Simple. Simple epithelium consists of one layer of epithelial cells lying on a basement membrane. Cells can be squamous, cuboidal and columnar. ... ', 'Pseudostratified. Pseudostratified epithelium. ... ', 'Stratified. Stratified epithelium consists of two or more cell layers. ... ', 'Transitional. Urothelium.']