HEAD AND NEGK OF THE HORSE 



211 



Nerve and Blood Supply of the Muscles of the 

 Head and Neck. 



Nerve Supply. 



Accessory, cervical and 1 

 axillary . . . j 



Accessory 



6th cervical 



1st cervical . 



Cervical (4-8) 



Cervical (3-8) 



Cervical 



Cervical and thoracic 



M. brachiocephalicus. 



M. sternocephalicns. 



M. trapezius (cervi- 

 calis). 



j M. rhomboideus (cer- 

 ( vicalis). 



[ M. sternohyoideus. 

 I M. th 



1m. 



hyreohyoideus. 



omohyoideus. 



M. scalenus, 



/ M. splenius. 



M. longissimus cer- 

 vicis. 



M. longissimus atlan- 



tis. 

 M. longissimus capitis. 



M. s e m i s p i n a 1 i s 

 capitis. 



y M. multifidus cervicis. 



Mm. intertransversarii 

 cervicis. 



M. longus capitis. 



M. spinalis cervicis. 

 M. longus colli. 



Blood Siipply. 



Ascending cervical, common 

 carotid and vertebral. 



Common carotid. 

 Deep cervical. 



Deep cervical. 



Common carotid. 



Ascending cervical, common 

 carotid. 



Common carotid, ascending 

 cervical and vertebral. 



Deep cervical and transverse 

 artery of the neck. 



Vertebral. 



Deep cervical and vertebral. 



Deep cervical, vertebral and 

 occipital. 



Deep cervical and vertebral. 

 Vertebral. 



Common carotid, vertebral 

 and occipital. 



Deep cervical and transverse 

 artery of the neck. 



Supreme intercostal and ver- 

 tebral. 



14^ 



