254 



Muscles of the Neck. 



Processus niastoideiis 



M. nniohyoideus 

 ' M. stylohroideus 

 Corpus ossis hyoidei -- 

 M. splenius capitis 



M. longus capitis 

 M. thyreohyoideus 

 VM. steriioliyoideus 



H. omohyoideus (venter superior 

 M. levator scapulae 



M. scalenus medius 

 M. scalenus anterior 



M. scalenus posterior 



J M. steniothyreoideus 

 M. omohyoideus 

 (venter inferior 



Scapula 





i^^^% 





^ 



Clavicula (sawed through) 



300. Muscles of the neck {^^'^ layer), viewed from in front. 



(Like Fig. 298 ; in addition however the mm. sternocleidomastoidei, trapezii and digastrici have 

 been removed ; the right clavicle has been sawed through close to the sternum and removed.) 



M. oniohjoidcus (see also Figs. 298, 299 and 301). Formf Hat, narrow, long; divided 

 liy an intermediate tendon int(j two bellies, venter inferior and venter siijierior. Position: on 

 the lateral and anterior surface of the neck, covered behind by the clavicula and the m. trapezius, 

 in the middle by the m. sternocleidomastoideus. The intermediate tendon is ensheathed in the 

 iascia colli and united with the anterior wall of the v. jugularis interna. Origin: margX)^sujierior 

 sca])ulae and lig. transversiun scajjidae suj)erius. I n ser ti o u : runs in front'of the mm. scaloiii forward 

 and upward to th(> intermediate tendon and thence, bends upward to the corpus oss. hj-oidei, where 

 it lies laterally from the m. sternohyoideus and in frontof the in. thyreohyoideus. Action: it draws 

 the hyoid bone downward and makes the fascia colli tense. I n u e r v a t i o n : r. descendens n. liy poglossi. 



