THE HEART AND VASCULAR SYSTEM. 



181 



In the face : 



Muscular, to the same muscles given above; 



Inferior labial, to the skin of the lower lip; 



Inferior coronary, to the mucous membrane, muscles, and glands 

 of the lower lip; 



Superior coronary, to the structures of the upper lip and nasal 

 septum; 



FIG. 10G. 



Arteries of face and head: 1, common carotid; 2, internal carotid; 

 3, external carotid; 4, occipital; 5, superior thyroid; 7, lingual; 9, 

 facial; 10, temporal; 11, submental; 12, transverse facial; 13, in- 

 ferior labial; 15, 17, inferior and superior coronary; 19, lateral nasal; 

 21, angular. 



Lateralis nasi, to the skin of the nostrils, anastomoses with the 

 nasal branch of ophthalmic; 



Angular, supplies lachrymal sac and skin. All of these branches 

 anastomose freely with the neighboring arteries. 



