554 



TEXT-BOOK OF PHYSIOLOGY. 



tract and of the pulmonary apparatus, together with a loss of motility 

 of the structures above mentioned. 



FIG. 255. DISTRIBUTION OF THE PNEUMOGASTRIC. i. Trunk of the left pneumo- 

 gastric. 2. Ganglion of the trunk. 3. Anastomosis with, the spinal accessory. 

 4. Anastomosis with the sublingual. 5. Pharyngeal branch (the auricular branch 

 is not shown in the figure). 6. Superior laryngeal branch. 7. External laryngeal 

 nerve. 8. Laryngeal plexus. 9, 9. Inferior laryngeal branch. 10. Cervical car- 

 diac branch, ii. Thoracic cardiac branch. 12, 13. Pulmonary branches. 14. Lin- 

 gual branch of the fifth. 15. Lower portion of the sublingual. 16. Glosso-pharyn- 

 geal. 17. Spinal accessory. 18, 19, 20. Spinal nerves. 21. Phrenic nerve. 22,23. 

 Spinal nerves. 24, 25, 26, 27, 28, 29, 30. Sympathetic ganglia. (Hirschfeld.} 



Stimulation of the trunk of the nerve in different parts of its 

 course produces a variety of results dependent to some extent on the 

 presence of anastomosing branches from adjoining nerves. 



