vBedy 



12 "Nerve, - 



HypoglossaJ 



FIG. 29. THK LOOP FORMED BY COMMUNICATING BRANCHES. 



Bterno-hyoid 



Sterno-thyroid 



Triangularis 

 sterni 



Sternal origin 

 of diaphragm 



Costal origin 

 of diaphragm 



TriangulariB 

 Bterui 



Transveraalis abdominis 



FIG. 30. THE MUSCLES ATTACHED TO THE BACK OF THE STERNUM. 



54 



