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Epithelium

Epithelial cells

The term "epithelium" refers to layers of cells that line hollow organs and glands. It is also those cells that make up the outer surface of the body.

Information

Epithelial cells help to protect or enclose organs. Most produce mucus or other secretions.

Certain types of epithelial cells have tiny hairs called cilia, which help remove foreign substances.

Epithelial cells are arranged in single, or multiple layers, depending on the organ and location.

Open References

References

Dinulos JGH. Principles of diagnosis and anatomy. In: Dinulos JGH, ed. Habif's Clinical Dermatology: A Color Guide in Diagnosis and Therapy. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 1.

Merriam-Webster Dictionary. Epithelium. www.merriam-webster.com/dictionary/epithelium. Accessed February 2, 2021.

  • Epithelial cells

    Epithelial cells - illustration

    Epithelial cells help to protect or enclose organs; some produce mucus or other secretions. Certain types of epithelial cells have tiny hairs called cilia, which help remove foreign substances.

    Epithelial cells

    illustration

    • Epithelial cells

      Epithelial cells - illustration

      Epithelial cells help to protect or enclose organs; some produce mucus or other secretions. Certain types of epithelial cells have tiny hairs called cilia, which help remove foreign substances.

      Epithelial cells

      illustration

     

    Review Date: 10/10/2020

    Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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