Cell, Skin and Specialized Tissue - Specialized Tissue

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Epithelial tissue, or epithelium, is found in skin and, in diverse forms, has special functions in other body areas. The main types are:

  • Simple epithelium = a single layer of squamous (flat), cuboidal (cube-like) or columnar (tall) cells
  • Stratified epithelium = with two or more layers
  • Pseudostratified epithelium = which looks stratified but has only one layer of columnar cells that have surface hairs (cilia) or secrete mucus
  • Transitional epithelium = which is multi-layered and pliable


Stratified squamous epithelium covers the outer cornea of the eye, where it forms a transparent protective coating. Another type…


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