FACIAL OCCIPITAL. 273 



0n the Face. 



Masseteric, 

 Inferior labial, 

 Inferior coronary, . 

 Superior coronary, 

 Lateralis nasi. 



The Inferior palatine branch ascends between, the stylo-glossus 

 and stylo-pharyngeus muscles, to be distributed to the tonsil and soft 

 palate, and anastomoses with the posterior palatine branch of the 

 internal maxillary artery. 



The Submaxillary are four or five branches which supply the sub- 

 maxillary gland. 



The Submental branch runs forwards upon the mylo-hyoid muscle, 

 under cover of the body of the lower jaw, and anastomoses with 

 branches of the sublingual and inferior dental artery. 



The Pterygoid branch is distributed to the internal pterygoid 

 muscle. 



The Masseteric branches are distributed to the masseter and buc- 

 cinator muscles. 



The Inferior labial branch is distributed to the muscles and integu- 

 ment of the lower lip. 



The Inferior coronary runs along the edge of the lower lip, 

 between the mucous membrane and labial glands, and the orbicu- 

 laris oris ; it inosculates with the corresponding artery of the oppo- 

 site side. 



The Superior coronary follows the same course along the upper 

 lip, inosculating with the opposite superior coronary artery, and at 

 the middle of the lip it sends a branch upwards to supply the septum 

 of the nose and the mucous membrane. 



The Lateralis nasi is distributed to the ala and septum of the 

 nose. 



The Inosculations of the facial artery are very numerous : thus 

 it anastomoses with the sublingual branch of the lingual, with the 

 ascending pharyngeal and posterior palatine arteries, with the inferior 

 dental as it escapes from the mental foramen, infra-orbital at the 

 infra-orbital foramen, transverse facial on the side of the face, and 

 at the angle of the eye with the nasal and frontal branches of the 

 ophthalmic artery. 



The facial artery is subject to considerable varieties in its extent ; 

 it not unfrequently terminates at the angle of the nose or mouth, and 

 is rarely symmetrical on both sides of the face. 



4. The MASTOID ARTERY turns downwards, to be distributed to 

 the sterno-mastoid muscle, and to the lymphatic glands of the neck ; 

 sometimes it is replaced by two small branches. 



5. The OCCIPITAL ARTERY, smaller than the preceding branches, 

 passes backwards beneath the posterior belly of the digastricus, the 

 trachelo-mastoid and sterno-mastoid muscles, to the occipital groove 



35 



