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Human Anatomy and Physiology

How are epithelial tissues classified?

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May 06, 2013 6:30PM

They are generally classified by size and shape

Epithelial tissue is classified according to:

1. The number of cell layers

  • Simple
  • Pseudostratified
  • Stratified

2. The shape of the cells

  • Squamous
  • Cuboidal
  • Columnar
  • Mixed/Varied

3. Whether the cells are ciliated or unciliated

So examples of epithelial tissue using this classification would be

  • Simple squamous (found in the lungs and kidneys)
  • Simple cuboidal (found in the lining of the stomach and fallopian tubes)
  • Ciliated pseudostratified columnar (found lining the nasal cavity)