SURGICAL ANATOMY. 



375 



The superior carotid triangle is the middle subdivision of 

 the anterior triangle of the neck, and has the following bound- 

 aries : 



Above, posterior belly of the digastricus ; 



Below, anterior belly of the omo-hyoideus ; 



Behind, anterior border of the sterno-mastoideus. 



It contains the following structures : 



Termination of the common carotid; 



FIG. 166. 

 Triangles of the neck. (Boenning.) 



The internal carotid; 



The external carotid, and the following branches : 

 Superior thyroid, lingual, facial, ascending pharyngeal, and 

 occipital ; 



The internal jugular vein, and the following tributaries : 

 Lingual, facial, superior thyroid, pharyngeal, and occa- 

 sionally the occipital; 



