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Question

Compound squamous epithelium is found in

A
Stomach
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B
Intestine
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C
Trachea
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D
Pharynx
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Solution

The correct option is D Pharynx
  • The compound epithelium consists of more than one layer of cells. Only the cells of the deepest layer rest on the basement membrane.
  • As they are multi-layered, so there is little role in secretion or absorption, but they provide protection to underlying tissues.
  • Compound epithelia may be stratified or transitional.
  • Stratified epithelia has many layers and the deepest one is of cuboidal cells.
  • The morphology of the superficial layers varies in the different kinds of stratified epithelia.
  • The pharynx has several superficial layers of living squamous cells and deeper layers of interlinked polygonal cells.
  • So, the pharynx has stratified non-keratinized squamous epithelial cells that cover the moist surfaces of the buccal cavity, pharynx, and esophagus.

Thus, the correct answer is the option (D), 'Pharynx'.

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