AND PHYSIOLOGY. 



215 



Fig. 218. 



A Front View of the relative Positions of the Veins and Arteries of the Face and Heck. 

 On the Right side the Superficial Vessels are seen, and the Deep-seated ones on the Left. 

 1, Primitive Carotid Arteries. 2, Superior Thyroid Arteries. 3, Internal Jugular Veins. 

 4, External Jugular Veins. 5, A Branch known as the Anterior Jugular Vein. 6, Supe- 

 perior Thyroid Veins. 7, Facial Arteries. 8, Facial Veins. 9, Zygomatic Branch of the 

 Facial Artery. 10, Nasal Branch of the Facial Vein. 11, Anastomosis of the Facial 

 Artery and Vein with the Ophthalmic Artery. 12, Venous Arch above the Nose. 13, 

 Frontal Vein. 14, Temporal Vein. 15, Temporal Artery. 16, Frontal Branches of 

 the Temporal Artery and Vein. 17, Infra-Orbitar Vessels. IS, Sub-Aponeurotic Branch 

 of the Temporal Vein. 19, 20, Venous Anastomosis around the Eye-Lids. 21 ? Frontal 

 Branches of the Ophthalmic Vessels of Willis. 



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