90 



PLATE XLV. 



MUSCLES 



A Temporal. 



B Masseter. 



C Buccinator. 



D External pterygoid. 



E Internal pterygoid. 



F Long internal lateral ligament (spheno- 



mandibular). 

 G Stylo-glossus. 

 H Styloid process. 

 I Digastric (posterior belly). 

 K Eectus capitis lateralis. 

 L Superior oblique. 

 M Complexus. 



N Trapezius. 



Trachelo-mastoid. 



0' Insertion of Trachelo-mastoid into 



mastoid process. 

 P Splenius capitis. 

 R Splenius colli. 

 S Inferior oblique. 

 T Insertion of the sterno-mastoid. 

 V Zygomaticus major. 

 X Levator labii superioris. 

 Y Capsule of the lower jaw. 

 Z Depressor anguli oris and labii inferioris. 



VESSELS 



a External carotid. 



b Temporal. 



c Internal maxillary. 



d Middle nieningeal branch of internal 



maxillary. 

 e Inferior dental. 

 / Buccal. 

 g Deep temporal. 



h Alveolar. 



i Masseteric. 



k Posterior auricular. 



I Occipital. 



m Princeps cervicis branch of occipital. 



n Facial. 



o Lateral sinus. 



p Internal jugular vein. 



NERVES 



1 Lingual. 



2 Inferior dental. 



3 Mylo-hyoid branch of inferior dental. 



4 Mental branch of inferior dental. 



5 Buccal branch of third division of fifth. 



6 Masseteric branch of the third division 



of fifth. 



7 Deep temporal branches of third 



division of fifth. 



8 Auriculo-temporal. 



9 Posterior dental from 



of the fifth. 



10 Facial. 



11 Spinal accessory. 



12 Second cervical. 



13 Hypoglossal. 



second division 



