THE SYMPATHETIC SYSTEM OF NERVES. 



1355 



Constitution and General Arrangement. The sympathetic system serves 

 to receive, rearrange and distribute the visceral filaments of the cerebro-spinal nerves, 



FIG. 1130. 



Common carotid artery 



Vagus nerve 



Superior cervical cardiac 



branch of vagui 



Scalenus anticus 

 Gray rain us communicans to 



VI 1 1. cervical nerve 



VIII. cervical nerve 



I. thoracic nerve 



I. rib 



III. thoracic nerve 



IV. thoracic ganglion 



Kami communicantes 



XII. thoracic ganglion 

 Branch to I. lumbar 



ganglion - 



Hyoid bone 



Interganglionic cord of sympathetic 



Thyroid cartilage [sympathetic 



Superior cervical cardiac branch of 

 Middle cervical ganglion 



Crico-thyroid muscle 



Inferior cervical ganglion 



I. thoracic ganglion 



Right recurrent laryngeal nerve 



Combined cervical cardiac branches 

 Right vagus [of sympathetic 



Inferior cervical cardiac 



branch of vagus 



Left middle and inferior cervical 

 cardiacs of sympathetic 



Trachea 



Right bronchus 



CEsophagus 



Vena azygos 



Great splanchnic 

 Aorta 



Left vagus nerve 



Diaphragm 



Dissection showing ngui ganghateci cord 01 sympathetic and its branches. 



and to complete, by the interposition of one or more of its especial neurones, the 

 path for the impulses brought by such fibres to the objective organs. It comprises 



