MUSCLES OF THE CHEEK AND LIPS. 

 Fig. 204. 



272 



Fig. 204. — Deep view op the Muscles op the left side of «he Head and Nece 

 (modified from Bourgery). (A. T.) g 



a, vertex of the head ; h, superior curved line of the occipital bone ; c, ramus of the 

 lower jaw ; c', its coronoid process ; d, body of the hyoid bone; e, sternal end of the clavicle ; 

 c', acromial end ; /, malar bone divided to show the insertion of the temporal muscle ; 

 /', divided zygoma, and external lateral ligament of the jaw ; g, thyroid cartilage ; ^, placed 

 on the lobe of the auricle, points to the styloid process ; 1 , temporal muscle ; 2, con-ugator 

 supercilii ; 3, pyramidalis nasi ; 4, lateral cartilage of the nose covered by the triangularis 

 nasi ; 5, levator labii superioris proprius ; 6, levator anguli oris ; 7, outer part of the 

 orbicularis oris, the part below the nose has been removed ; 8, depressor alaj nasi ; 

 9, points to the buccinator muscle, through which the parotid duct is seen ^.assing ; 10, 

 quadratus menti ; 11, levator menti ; 12, 12, anterior and posterior bellies of the 

 digastric; 13, stylo-hyoid muscle; 14, mylo-hyoid ; 15, hyo-glossus, between which 

 and 13. is seen a part of the stylo-glossus ; 16, sterno-hyoid ; 17, on the clavicle, indicates' 

 the lower, and 17', the upper belly of the omo-hyoid ; 18, sterno-thyroid ; 19, thyro- 

 hyoid ; 20, 21, on thesterno-mastoid muscle, point, the first to the middle, the second to 

 the lower constrictor of the pharynx ; 22, trapezius ; 23, upper part of the co'^aplexus ; 

 24, splenius capitis ; 25, splenius colli ; 26, levator scapula ; 27, middle scalenus ; 

 + , posterior scalenus ; 28, anterior scalenus. 



YOL. I. T 



