THE NECK. 179 



Rectus capitis anticus major, wliicli arises from tlie 

 transverse processes of the third, fourth, and fifth cervical 

 vertebr£e, and becomes inserted into the under part of the 

 posterior extremity of the body of the s23henoid bone. 

 Just behind this 



Rectus capitis anticus minor is inserted into the antero- 

 inferior part of the basilar process of the occiput, running 

 from the under surface of the body of the atlas, and 

 becoming attached to the atloido-occipital capsular liga- 

 ment in its course. The inferior surface of these muscles 

 is covered by the mucous membrane of the guttural pouch, 

 and is in contact with numerous large nerves, the internal 

 carotid artery, and the superior cervical ganglion, a grey 

 nodular body, from which the gangliated cord of the 

 sympathetic commences its cervical portion. 



The supero-posterior part of the neck is supplied with 

 blood by the posterior cervical artery. It commences from 

 the antero-suj)erior part of the arteria innominata, on the 

 left side separately, on the right side by a root common also 

 to the anterior dorsal artery. It passes upwards through the 

 first intercostal space, giving off the first intercostal artery. 

 It then passes forwards and upwards over cervico-dorsalis, 

 and subsequently runs between ligamentum nuchse and 

 complexus major to anastomose with the artery of the 

 poll. 



The infero-j^osterior part is supplied by the inferior 

 cervical artery, which shortly after its origin from the 

 arteria innominata passes forwards, and breaks up in sup- 

 plying the muscles in this neighbourhood — panniculus 

 carnosus, pectorales transversus and anticus, sterno-maxil- 

 laris, &c. Three sets^of intrinsic muscles of the neck require 

 to be noticed : 



Intertransversalis colli passes from the transverse pro- 

 cess of one vertebra to that of the vertebra next in order 

 to it. 



Spinalis colli runs from the oblique process of one bone 

 to the transverse process of the vertebra second in order 

 behind it. 



Semispinalis colli from the superior spinous process of 

 one vertebra, passing over two bones, gains the oblique 

 process of the third in order. 



We have now arrived at the cervical portion of the spinal 

 column ; by sawing through the laminse of the vertebrse on 



