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NCI Dictionary of Cancer Terms


trachea  listen  (TRAY-kee-uh)

  The airway that leads from the larynx (voice box) to the bronchi (large airways that lead to the lungs). Also called windpipe.

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Respiratory anatomy; drawing shows right lung with upper, middle, and lower lobes; left lung with upper and lower lobes; and the trachea, bronchi, lymph nodes, and diaphragm. Inset shows bronchioles, alveoli, artery, and vein.