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Nerve: Pulmonary branches of vagus nerve
Course and distribution of the glossopharyngeal, vagus, and accessory nerves. (Label for "Pulmonary brs." visible at center right.)
Latin rami bronchiales nervi vagi
Gray's subject #205 913
Innervates bronchi
From vagus nerve
MeSH [1]

The pulmonary branches of the vagus nerve can be divided into two groups: anterior and posterior.


The Anterior Bronchial Branches (rami bronchiales anteriores; anterior or ventral pulmonary branches), two or three in number, and of small size, are distributed on the anterior surface of the root of the lung.

They join with filaments from the sympathetic, and form the anterior pulmonary plexus.


The Posterior Bronchial Branches (rami bronchiales posteriores; posterior or dorsal pulmonary branches), more numerous and larger than the anterior, are distributed on the posterior surface of the root of the lung; they are joined by filaments from the third and fourth (sometimes also from the first and second) thoracic ganglia of the sympathetic trunk, and form the posterior pulmonary plexus.

Branches from this plexus accompany the ramifications of the bronchi through the substance of the lung.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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