////: T//OK.IX. 



2 '5 



occupied by the plexuses. The terms superficial and deep cardiac are used for 

 the same reason. The cardiac plexus is formed as follows : 



1. By cervical and thoracic branches of the pneumogastric nervr. 



2. By branches from the recurrent laryngeal nerve. 



3. By branches from the cervical sympathetic nerve. 



to 6.ofRcot 

 taPctrvs 



Large S.Petnsal Iff- 



to u. ofPnc umtyajtric 

 telfypoyh/ual Jf. 



t br.of&ct. CantidA. 



to Inf. Thyroid A. 



Car&ac br.fkPneumoaaftrii: 

 andRtc.Larynyeal Oaves 



0.afWrislurg 



Cardiac Plexus 

 '.Connary Plexus 



.. GANGLION. 

 P.- PLEXUS. 

 A.-ARTERV. 

 1.2.3.4 BRANCHES. 

 FROM PNEUMOOASTRIC 

 NERVE TO THE CARDIAC 

 PLEXUS. 



Caslmtuadrnal 

 fytffn'c 



J Sup.Hemorrhoidal . 

 6 Spermatic Plexui. 



Pelvic p. orlnfOypogastric. 



' SUPPLIES ALL THE PELVIC VISCERA AND THE PENIS. 



from Coayyoal 



Ganglion Impar. 



FrvnifbttcrS Compcnd of Anatomy. 

 Km. 152. Tut SYMPATHETIC SYSTEM OF NERVES. 



Dissection of 'the rostcrior Mcdiastinal Space (Fig. 150). Remember, you are 

 not to remove the heart and lungs in order to dissect the space. Modus oper- 

 andi : (i) Turn the right lung to the left side. This is easily done, provided there 

 are no pleural adhesions. Where adhesions exist, these must be broken up. (2) 

 Separate the parietal pleura from the ribs, at the cut margin of the ribs, and you 



