| Front | Vagus nerve |
|---|---|
| Back | (CN X) Structure: paired nerves branching off the brainstem and descending within the carotid sheath to the thorax and abdomen a) Right vagus - crosses subclavian, descends on trachea, passes posterior to root of lung on esophagus b) Left vagus - crosses aortic arch, passes posterior to the root of the lung on the surface of the esophagus Components: para/pre and viscerosensory axons Function: carry parasympathetic axons to target organs, giving off splanchnic nerves to cardiopulmonary and esophageal plexuses. |
Tags: nerves
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