Pseudostratified Epithelium · Histology

Where is pseudostratified ciliated columnar epithelium most characteristically found?

  1. Lining of the urinary bladder and ureters
  2. Lining of the trachea and primary bronchi
  3. Lining of the esophagus and oropharynx
  4. Lining of the small intestine and colon
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Correct answer: Lining of the trachea and primary bronchi

This tissue is often referred to as 'respiratory epithelium.' It lines most of the conducting portion of the respiratory tract, where it functions to trap and move debris out of the airways.

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