THE MOUTH 



1133 



the level of a line joining the tip of the mastoid process to the angle of the mandible. 

 The remainder of the gland is irregularly wedge-shaped, and extends deeply 

 inward toward the pharyngeal wall. 



Superficial temporal an. 



Impression for ext. acoustic 

 meatus 



Portion behind styloid process 



Impression for mastoid pro- 

 cess and Sternocleidomas- 

 toideus 



Impression for Digastricus 





Parotid duct 



Portion in front of styloid process 

 Impression for styloid process 



Ext. carotid art. 



Posterior facial vein 



Fio. 1022. Right parotid gland. Posterior and deep aspects. 



The gland is enclosed within a capsule continuous with the deep cervical fascia; 

 the layer covering the superficial surface is dense and closely adherent to the 

 gland ; a portion of the fascia, attached to the styloid process and the angle of the 

 mandible, is thickened to form the stylomandibular ligament which intervenes 

 between the parotid and submaxillary glands. 



Superfic. temp, artery 

 Int. max. artery 



Portion in front of styloid, 



process 



Portion behind styloid 

 process 



Impression for styloid 

 process 



External carotid artery 



Posterior facial vein 



FIQ 1023. Right parotid gland. Deep and anterior aspects. 



The anterior surface of the gland is moulded on the posterior border of the 

 ramus of the mandible, clothed by the Pterygoideus internus and Masseter. The 

 inner lip of the groove dips, for a short distance, between the two Pterygoid muscles, 



