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4.2 Epithelial tissue and more!

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Terms in this set (9)

  • Layers of cells that cover internal or external surfaces

    Epithelia

    • Composed of fluid secreting cells derived from epithelia

    • Cells that produce exocrine or endocrine secretions.

    Glands

  • Without blood vessels

    Avascular

  • What are the four essential functions Epithelia performs?

    1. Provide physical protection

    2. Control permeability

    3. Provide sensation

    4. Produce specialized secretions

  • Secretions are discharged onto the surface of the epithelium

    Exocrine

  • Secretions are released into the surrounding tissue (interstitial) fluid and blood

    Endocrine

  • More specialized attachment sites that a tech a cell to another cell or to extracellular material

    Cell junctions

  • Name the three common cell junctions

    1. Tight

    2. Gap

    3. Demosomes

  • A layer of filament and fibers that attach an epithelium to the underlying connective tissue

    Basement membrane