The anatomist's vade mecum : a system of human anatomy . d into the zygomatic arch; and if it be traced downwards,it will be seen to pass in front of the clavicle, and become lost uponthe pectoralis major muscle. If the deep layer of the sheath beexamined superiorly, it wiU be found attached to the styloid process,from which it is reflected to the angle of the lower jaw, forming thestylo-maxillary ligament; and if it be followed downwards, it will be 278 DEEP CERVICAL FASCIA. found connected with, tlie tendon of the omo-hyoid muscle, and maythence be traced behind the clavicle, where it enclos
The anatomist's vade mecum : a system of human anatomy . d into the zygomatic arch; and if it be traced downwards,it will be seen to pass in front of the clavicle, and become lost uponthe pectoralis major muscle. If the deep layer of the sheath beexamined superiorly, it wiU be found attached to the styloid process,from which it is reflected to the angle of the lower jaw, forming thestylo-maxillary ligament; and if it be followed downwards, it will be 278 DEEP CERVICAL FASCIA. found connected with, tlie tendon of the omo-hyoid muscle, and maythence be traced behind the clavicle, where it encloses the subclaviusmuscle, and, being extended from the cartilage of the first rib to thecoracoid process, constitutes the costo-coracoid membrane. In frontof the sterno-mastoid muscle, the deep fascials attached to the borderof the lower jaw and os hyoides, and forms a distinct sheath for thesubmaxillary gland. Inferiorly it divides into two layers, one ofwhich passes in front of the sternum, while the other is attached toits superior border. Fig. 114.*. * A transverse section of the neck, showing the deep cervical fascia and itsnumerous prolongations, forming sheaths for the different muscles. As thefigure is symmetrical, the figures of reference are placed only on one The platysma myoides. 2. The trapezius. 3. The ligamentum nuchae,from which the fascia may be traced forwards beneath the trapezius, enclosingthe other muscles of the neck. 4. The point at which the fascia divides, toform a sheath for the sterno-mastoid muscle (5). 6. The point of reunion ofthe two layers of the sterno-mastoid sheath. 7. The point of union of the deepcervical fascia of opposite sides of the neck. 8. Section of the Omo-hyoid. 10. Sterno-thyroid. 11. The lateral lobe of the thyroid The trachea. 13. The oesophagus. 14. The sheath containing the com-mon carotid arteiy, internal jugular vein, and pneumogastric nerve. 15. Thelongus colli. The nerve in front of the shea
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
