I III I III I \« I 



. i hicfly in the parotidco-masscteri 



ion arises by a broad a 

 tin while the deep >rt mi; 



boi '1 the inner mhi 



into thi the jaw and into the adjacent ]•• 



trtion being in into th • ramu 



The .. .m half of tl th of the mus 



•• in the shape of individual serral 



• 1 behind by the parotid gl 

 the ni ml in front by the parotidco ia. l\ 



relation with the uppcrnv hich is ^t ill m< 



parotideo ma i, with th< 



quadratus labii superioi Only the lowi f the mu 



beneath tl ia, the aponeurosis beii by a la 



the insertion of the m the b the bu 



I 



temporalis I Lther flat in i: ■ 



the planum tcmj)oralc and ilu- temporal foss .. In the I 

 cutane nd takes a muscular origin from the entire f the planum 



the infi . partly from the anter 



p layer of the temporal fascia. I 

 ard thi oid pr he mandible, 



nou They embrace the entire 



surfs - the b; 



■ 

 l 



l pterygoideus externus 

 which is situated in the infratemporal fossa bel 



distinctly the lai 



the pti 



. ■ 

 infratemporal I 



unite, the m larkedl the 



pterygoid I >f the head of the mandibl< 



temporomaxillary articulation. 



The pterygoideus interims 1 than thi - m- 



ceals it- origin, and its fasciculi f the latter n I; takes a partly tendinous 



origin from the pterygoid fossa oi the sphenoid bone i the inner suri [ the angle 



