The trachea is lined by ciliated, pseudostratified columnar epithelium. For a closeup of this respiratory epithelium, click here.
This epithelium rests upon ordinary connective tissue which may include prominent blood vessels, part of a venous plexus that provide heat-exchange to help condition the air.
Incomplete rings of hyaline cartilage encircle the trachea.
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SIUC / School
of Medicine / Anatomy / David
Last updated: 22 March 2004 / dgk