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Definition of Trachea

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Updated May 16, 2014

Definition of Trachea

Lower Respiratory System A.D.A.M. Medical Encyclopedia

A.D.A.M. Medical Encyclopedia
Definition:

The trachea is the large air tube that leads from the larynx (voice box) to the bronchi (the large airways at the top of the lungs). The trachea is made up of rings of cartilage, and is roughly 4 inches long and 1 inch in diameter.

Also Known As: windpipe
Examples:
Joe's cough had been worsening over the past few weeks, and his oncologist discovered that his lung cancer had spread to his trachea.

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