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What is the Bronchus?

By , About.com Guide

Updated October 30, 2012

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What is the Bronchus?

Lower Respiratory System

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

A bronchus is either of the two major branches of the trachea that lead to the lungs. The trachea divides to form the right and left main bronchi (pleural of bronchus) that travel to each of the lungs.

Pronunciation: bron-kus
Examples:
Jim was told that his lung cancer was located near his right main stem bronchus.

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