NERVE SUPPLY TO PITI'ITAKY (JLAXD 



341 



Fig. 3 Drawing to show the nerve passing from the plexvis surrounding the 

 posterior communicating artery, down the stalk of the hypophysis to the anterior 

 lobe and the pars intermedia which covers the posterior U)be. The anterior 

 lobe has been dissected from the posterior lobe and gently retracted to permit 

 (his view. 



OTHER BR.WCHKS OF THE CAROTID PLEXUS 



During observations on the hypophyseal nerve supply natu- 

 rally the distribution of the sj^mpathetic filaments were noted 

 in the immediate \'icinity. The dura of the sella region is excep- 

 tionally well supplied with filaments from the carotid plexus. 

 Se\'eral branches run from the carotid plexus direct to the oculo- 

 motor nerve. A couple of twigs were also observed entering the 



