NERVES OF THE BACK. 



531 



splenius, serratus superior, rhoml3oideus, and trapeziiis muscles. The 

 lower five or six are much smaller, and end in the multifidus spinae. 



fii i 



FIG. 192. DEEP DISSECTION OF THE BACK OF THE NECK (ILLUSTRATIONS 

 OF DISSECTIONS). 



Muscles : 



A. Rectus posticus major. 



B. Rectus posticus minor, 

 c. Obliquus inferior. 



D. Obliquus superior. 

 K. Sterno-mastoid. 

 p. Complexus, cut across. 

 G. Semispinalis colli. 



Arteries : 



a. Occipital, and b, its princeps 

 cevicis branch. 



c. Vertebral artery, and d, its 

 cervical branch. 

 e. Deep cervical. 



Nerves : 



1. Posterior branch of the sub- 

 occipital. 



2 to 7. Inner branches of the 

 posterior primary divisions of the 

 respective cervical nerves. 



Ix THE LOINS. The posterior primary branches of the lumbar Lumbar 

 nerves, five in number, appear between the erector and multifidus divided 81 " 

 spinae. In their mode of dividing and general arrangement they into two. 

 resemble the lower dorsal nerves, cutaneous offsets being furnished 

 by the external set of branches. 



M M 2 



