362 



AETERIES OF THE HEAD AND NECK. 



immediatelv below the great cornu of the hyoid bone. From this point 

 the artery curves forwards and downwards to the upper margin of the 

 thyroid cartilage ; it then descends a short distance beneath the omo- 

 hyoid, sterno-hyoid, and sterno-thyroid muscles, furnishing offsets to 

 those muscles ; and, reaching the anterior surface of the thyroid body. 



Fi^. 540. 



Fig. 2i9. — Su i'i:;.hlial view of the Arteries op the Head and Neck (reduced 



from Tiedemann). ^ 



a, orLicularis oris ; h, sterno-mastoid ; c, parotid gland near its duct ; d, body of the 

 hyoid hone ; c, the clavicle ; 1, tnmk of the common carotid artery near its division into 

 the external and internal carotid arteries : 1', the internal carotid ; 2, placed on the 

 upper belly of the omo-hyoid muscle, points to the superior thyroid artery ; 3, lingual 

 artery and its hyoid branch ; 4, placed on the submaxillary gland at the place where the 

 facial artery is sunk in the gland, and again where the artery turns over the lower jaw ; 

 A', termination of the facial artery by division into the angular and lateral nasal 

 branches ; 5, submental branch ; 6, infei'ior labial branches ; 7, transverse facial branch 

 of the superficial temporal ; 8, superficial temporal, passing over the zygoma and dis- 

 tributed by S', 8', its anterior and posterior divisions on the surface of the cranium ; 

 9, occipital artery rising upon the cranium ; 9', its distribution and anastomosis with the 

 temporal and posterior auricular arteries ; 10, outer part of the subclavian arteiy ; 

 11, superficial cervical, and 12, posterior scapular arteries ; 13, suprascapulai- artery ; 

 14, acromio-thoracic branches of the axillary artery. 



