HEAD AND NECK 



function of the remarkable little body is quite unknown, but it belongs 

 to the system of chromophil organs. 



Arteria Subclavia. The relations of the third part of the 



M. .sternohyoideus 

 M. omohyoideu.s 



M. sternothyreoideus 



Sympathetic 



M. constrictor 



inferior 



Thyreoid gland 

 dragged forwards 



External 

 carotid artery 

 Internal jugular vein 

 scalenus medius 



Inferior thyreoid 

 artery 

 Recurrent 

 nerve 

 (Esophagus 



Common carotid 

 artery 



Internal jugular vein 



Pleu? 



M. longus capitis 

 Vagus nerve 

 Phrenic nerve 



ertebral vessels 



M. scalenus 

 anterior 

 Dome of pleura 



Brachial nerv 



Subclavian 

 vessels 



Transverse scapular and 

 cervical arteries 

 THORACIC DUCT 



Inferior thyreoid vein 



Innominate artery 



Internal mammary artery and phrenic ner 

 Left innominate vein 



FIG. 55. Deep Dissection of the Root of the Neck on the Left Side to show 

 the Dome of the Pleura and the relations of the Terminal Part of the 

 Thoracic Duct. The sterno-mastoid and the depressors of the hyoid and 

 larynx have been removed. 



subclavian artery were examined during the dissection of the 

 posterior triangle (p. 37). The relations of the first and 

 second parts must now be studied. On the right side, a small 

 portion of the first part is already exposed between the lower 



