334 



THE MUSCLES AND FASCIAE. 



Relations. By its anterior surface, with the prevertebral fascia, the pharynx, 

 the oesophagus, sympathetic nerve, the sheath of the great vessels of the neck, 

 the inferior thyroid artery, and recurrent laryngeal nerve ; by its posterior sur- 

 face, with the cervical and dorsal portions of the spine. Its inner border is 

 separated from the opposite muscle by a considerable interval below, but they 

 approach each other above. 



8. Lateral Vertebral Region. 



Scalenus anticus. Scalenus medius. 



Scalenus posticus. 



The Scalenus anticus is a conical-shaped muscle, situated deeply at the side of 

 the neck, behind the Sterno-mastoid. It arises from the anterior tubercles of the 



STYLO-GLOSSU.S. 

 STYLO-HYOI.D. 

 OBLIOUUS CAPITIS SUPERIOR. 



STERNO-HYOID. 



En fan<r) n '~ MUSCleS f tbe nGCk ' (From a P re P aration in the Museum of the Royal College of Surgeons of 



transverse processes of the third, fourth, fifth, and sixth cervical vertebrae, and, 

 descending almost vertically, is inserted by a narrow, flat tendon into the Scalene 



