244 



Muscles of the Head. 



M. eaU|imis ] M. incisivus labii superioris 



I I Pars transversa m. na1?alis 



Orbita 



M. zygomaticus 

 Glandula parotis. 



M. depressor 



septi 



'^ Pars alaris 



m. iiasalis 



M. orbicularis 

 oris 



M. inassetei 



M. buccinator ; 



M. triangularis 



M. incisivus labii inferioris 



M. nrentalis 



290. Muscles of the region of the mouth, 



viewed somewhat from the right side. 

 (Platysma, mm. risorius, quadrati and orbicularis oculi havo Ijccn removed.) 



M. quadratus labii superioris jSi. incisivus labii superioris 

 M. caninus ; ; ^j orbicularis oris 



M. buccinator ' ; ^ ^n-^H. 



M. triangularis 



M. nientalis 

 Af. cjuailratus la)iii inferioris M. incisivus labii inferioris 



291. Muscles of the region of the mouth, viewed from behind. 



(The tissues about the uiuutli have been loosened from their bony substratum and the muscles 

 liave l)een dissected out from the posterior surface.) 



