Position of 



Ltnqual nerve under 



myiohyoid muscle 



Tear across 

 fibres of 

 my/o hyoid 

 here 



Ant belly 



of digastric m. 



Posmon of 



Myiohyoid 

 muscle 



hypoglossal nery 

 under mvlobvoid 



'o ether 

 bottle 



Angle of jaw 

 Trachea 



Fig. 238. Dissection showing the position and relation of the hypoglossal and 

 lingual nerves (dotted and colored yellow) beneath the thin, band-like myiohyoid muscle 

 which is to be torn across with a blunt probe (not with a scalpel) to expose the nerves 

 (and ducts) beneath. 



Torn edqe of 

 myiohyoid muscle 



Diqastric 

 muscle 



Sublinqusl duct 

 (Bartholin's) 



Submaxillary duct 

 (Wharton's) 



Lingual nerve 



ylohyoid muscle 

 displaced mesially 



Hypoqlossal nerve 

 ein 



Vein, 

 in fascia 



Fig. 239. The myiohyoid fibers have been torn across and the two ducts and the 

 lingual and hypoglossal nerves are exposed. 



