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Definition of Bronchus

Bronchus: One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The bronchi (the plural) have cartilage as part of their supporting wall structure. The trachea divides to form the right and left main bronchi which, in turn, divide to form the lobar, segmental, and finally the subsegmental bronchi.

From the word bronchos by which the Greeks referred to the conduits to the lungs.


Last Editorial Review: 5/3/2002 11:59:45 AM

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