Insertion of cannula 

 info Wharton's 

 duct 



Mylo- 

 hyo/d 

 muscle 



Hvpoglossaf and 

 ingual nerves 

 displaced 

 mesially 



Sub- 

 Itnguai 

 gland 



Chordo-lmgual 

 



horda i-ympan! 

 nerve. ' 



loose liqature 

 ( thread) 



Fig. 240. Exposure of the chorda tympani nerve, Wharton's duct and Bartholin's duct. 

 Method of procedure for inserting a cannula into Wharton's duct. 



