13 HEAD AND KECK. 



cerebri to torcular Herophili ; receives inferior longitudinal 

 sinus, venae Galeni, inferior median cerebral, and superior 

 cerebellar veins. Latera'les, (2) from torcular to foramen 

 lacerum posterius into internal jugular vein, receives straight 

 and occipital sinus, etc. Occipita'les, (2) smallest ; posterior 

 margin of foramen magnum to torcular. Caver* ni, (2) sides of 

 sella Turcica from sphenoid fissure to apex petrous part of 

 temporal. Receives ophthalmic vein connecting the frontal 

 with these sinus; also inferior anterior cerebral veins. Cir~ 

 cula'ris, surrounds pituitary body, communicates with each 

 cnvernous. Inferio'res petrosa'les^z} termination of cavernous 

 to intenal jugular vein. Transver'sus, connects the inferior 

 petrosales across basilar process of occipital. Superio'res jt>etro- 

 sa'les, (2) on superior border petrous part of temporal, con- 

 necting lateral and cavernous ; receives inferior lateral cere- 

 bral, anterior lateral cerebellar veins. 



Ve'na Facia'liS : obliquely across side face from inner can 

 thus, to unite, under inferior maxilla, to form a trunk for 

 internal jugular. Receives supra-orbita'lis, supra-falpebra'lis, 

 nasa'lis, inferior Jalpebra'lis, fronta'lzs, supra-orbitalis , 

 supra-labia'lis, inferior labia'lis, bucca'lis, masseter'ica, sub" 

 menta'iis, infe'rior palati'na (which arises from plexus about 

 tonsil, etc.), submaxilla'ris, ranfna; also communicates with 

 ophthalmic (see cavernous sinus). 



Tempora'lis : from side and vertex of head, uniting with 

 internal maxillary forms temporo-maxillary. Receives faro- 

 tide'ce t anterio'res auricula'res, transit er'sa facial. 



Mizilla'ris Inter'na: me' dice meninge'te, tempora'lis prcfun'da, 

 fterygoidc'a, masseter'ita, bucca'lis, palati'na:, infe'rior den- 

 ta'lis, forms, with above, temporo-maxillary. 



Temporo-Mazilla'rlS : union of temporal and internal maxilla- 

 ry, descends in parotid gland and divides, one branch going 

 to join facial, the other to external jugular. Receives poste- 

 rior auricular. 



FOito'rior auricda'ris : plexus side of head, receives stylo- 

 mastoide'a. and branches from external ear; empties into tem- 

 poro-maxillary. 



Occipita'liS I (from plexus), back part vertex of skull deeply 

 between muscles of neck lying in course of artery, to internal 

 jugular. Receives tnastoide'a^ which communicates with lat- 

 eral sinus. 



Jttgnla'riS Ezter'na : from temporo-maxillary near angle lower 

 jaw, down into subclavian accompanied by auricularis magnus 

 nerve. Has 2 pair of valves. Receives occifiita'liS) foste'rior 



