656 



THE BLOOD-VASCULAR SYSTEM 



Fig. 519. — The Veins of the Brain, Lateral Surface. (After Toldt, "Atlas of Human 



Anatomy," London and New York.) 

 Superior cerebral veins Dura mater 



Lateral lacuna of the superior ^ > '.::_"i__^\ 



sagittal sinus ^ .^-rrT"— -,^_^-''^^^^K!!SiK'«4r ^"" 



Middle cerebral vein 



Dura mater 



Transverse sinus 

 Middle temporal vein 

 Sternocleidomastoid 

 muscle 



External carotid artery ^''/ 

 Palatine vein' 

 Internal pterygoid muscle 



Posterior facial vein ' 

 Internal carotid artery 

 Hypoglossal nerve 



Internal jugular vein 



' Xy}^ " Internal maxillary artery 

 ;^\^ Venacomitansof hypo- 

 V ^ glossal nerve 



Submaxillary duct 

 External maxillary artery 

 Anterior facial vein 

 Lingual artery 



"Superior thyreoid vein 



Fig. 520. — The Ophthalmic Veins. (After Quain. 



Posterior ciliary vein 

 Superior ophthalmic vein 



Optic nerve 



Internal maxil- 

 lary vein 



Posterior facial 

 vein 



Supraorbital vein 

 — communicating 

 with nasofrontal 



Frontal vein 

 Lacrimal gland 



Angular vein 



Inferior oblique 

 muscle 



Infraorbital vein 



— Maxillary sinus 



Anterior facial vein 



