Bronchial Tubes Structure, Functions, & Location | Bronchus Anatomy

Author: Scott A. Sheffield MS

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The bronchi are part of the airway system in the lower respiratory tract and transport air between the lungs and the trachea.

Anterior view of the lungs
The trachea and segments of the lungs bronchi on anterior view
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  • Each bronchus runs freely for a few centimeters, then enters its respective lung. Air flows in and out of each lung through the primary bronchi.

 

The bronchial tubes (bronchi) shown on anterior view of the lungs
The primary bronchi labeled
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  • After entering a lung, each 1 bronchus divides into image descriptionsecondary (2) bronchi. The secondary bronchi are also known as lobar bronchi because each one directly conducts air to and from one of the lung’s five lobes.
The bronchial tubes (bronchi) shown on anterior view of the lungs
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The bronchial tubes (bronchi) shown on anterior view of the lungs
The tertiary bronchi labeled
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  • Each 3 bronchus conducts air to and from a image descriptionbronchopulmonary segment, which is an anatomical and functional subdivision of a lobe.

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Anterior view of the lungs
Bronchopulmonary Segments labeled on anterior view of the lungs
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  • Because they conduct air in and out of the bronchopulmary segments, the tertiary bronchi are known as segmental bronchi.

An Overview of the Bronchial Tubes Structure, Functions, & Location:

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