HEAD AND NECK OF THE HORSE 



23 



Mm. intertransversarii (cervicis). — The six intertransverse 

 muscles of the neck consist of dorsal and ventral bundles, the dorsal of 

 which fill the intervals between the transverse process of one vertebra 

 and the articular process of the next. The ventral bundles run between 

 the transverse processes of neighbouring vertebrae. 



2nd cervical nerve. Parotid gland. 



Nn. cervicales (dorsal branches) 



Ligamentum nuch;e. 



M. spinalis cervicis 

 Deep cervical vessels. 



A. transversa colli 

 M. iliocostalis. 



, Ramus colli. 



V. maxillaris externa. 



M. longus capitis. 

 M. omohyoideus. 



M. sternocephalicus. 



M. multifidus cervicis. 

 Mm. intertransversarii. 



A. carotis communis. 

 V. jugularis. 

 \ M. scalenus. 

 N. phrenicus (roots of). 



Truncus omocervicalis. 

 A. axillaris. 



Brachial plexus. 



Fig. 10. — Dissection of the lateral aspect of the neck. Fifth sta-^e. 



A. CERVICALIS PROFUNDA. — The deep cervical artery of the left 

 side of the body is a branch of the left subclavian, while the cor- 

 responding vessel of the right side springs from the costo-cervical 

 trunk. Whichever its origin, the artery leaves the thorax by piercing 

 the vertebral end of the first intercostal space, and sends an ascending 



