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  2. Transitional epithelium - Wikipedia

    en.wikipedia.org/wiki/Transitional_epithelium

    Transitional epithelium is a type of tissue that changes shape in response to stretching (stretchable epithelium). The transitional epithelium usually appears cuboidal when relaxed and squamous when stretched. [1] This tissue consists of multiple layers of epithelial cells which can contract and expand in order to adapt to

  3. Epithelium - Wikipedia

    en.wikipedia.org/wiki/Epithelium

    Epithelium or epithelial tissue is a thin, continuous, protective layer of cells with little extracellular matrix. An example is the epidermis, the outermost layer of the skin. Epithelial (mesothelial) tissues line the outer surfaces of many internal organs, the corresponding inner surfaces of body cavities, and the inner surfaces of blood vessels.

  4. Walthard cell rest - Wikipedia

    en.wikipedia.org/wiki/Walthard_cell_rest

    - Cyst (may also be solid nest) of transitional type epithelium. - Eosinophilic luminal secretions. - Uniform nuclei with irregular borders and nuclear grooves (insert image). Micrograph of a cystic Walthard cell rest (lower right of image) within the connective tissue of a fallopian tube (tubal epithelium – upper left of image). H&E stain.

  5. Table of epithelia of human organs - Wikipedia

    en.wikipedia.org/wiki/Table_of_epithelia_of...

    System Tissue Epithelium Subtype; circulatory: blood vessels: Simple squamous: endothelium: digestive: ducts of submandibular glands: simple columnar - digestive ...

  6. Ureter - Wikipedia

    en.wikipedia.org/wiki/Ureter

    The transitional epithelium may appear as a layer of column-shaped cells when relaxed, and of flatter cells when distended. Below the epithelium sits the lamina propria. The lamina propria is made up of loose connective tissue with many elastic fibers interspersed with blood vessels, veins and lymphatics.

  7. Tissue (biology) - Wikipedia

    en.wikipedia.org/wiki/Tissue_(biology)

    Functions of epithelial tissue: The principle function of epithelial tissues are covering and lining of free surface; The cells of the body's surface form the outer layer of skin. Inside the body, epithelial cells form the lining of the mouth and alimentary canal and protect these organs. Epithelial tissues help in the elimination of waste.

  8. Anatomical terms of microanatomy - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of...

    By layer, epithelium is classed as either simple epithelium, only one cell thick (unilayered) or stratified epithelium as stratified squamous epithelium, stratified cuboidal epithelium, and stratified columnar epithelium that are two or more cells thick (multi-layered), [2] [3] and both types of layering can be made up of any of the cell shapes ...

  9. Transitional cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Transitional_cell_carcinoma

    Transitional cell carcinoma is a type of cancer that arises from the transitional epithelium, a tissue lining the inner surface of these hollow organs. [1] It typically occurs in the urothelium of the urinary system ; in that case, it is also called urothelial carcinoma .