THE DEEP CERVICAL FASCIA 



157 



the external jugular vein; attached above to the lower jaw, 

 and becomes the parotid fascia and stylomandibular ligament. 

 In front it is attached to the hyoid bone, and splits below the 

 thyroid gland; the anterior layer goes to the anterior surface 



FIG. 27 



Muscles of the neck and boundaries of the triangles. 



of the sternum, and the posterior, covering the sternohyoid 

 and thyroid muscles, is attached to the interclavicular ligament; 

 between these two layers is the suprasternal space, extending 

 a short distance on either side behind the sternomastoid as 

 the supraclavicular recess. Prolonged from the deeper layer, 



