Cricothyreoid Vessels 

 ("ricothyreoid Muscle^ 



Superior Thyreoid 

 Vessels 



Sternohyoid Muscle 

 Thyreohyoid Cricoid 

 Muscle Curtilagf 



Thyreoid Cartilage 



Mertian Vein of Neck 



Omohyoid Muscle 



Cricothyreoid Ligament (Ligamentum Conicum) 



,Thyreohyoid Muscle 



Inferior 

 Thyreoid 

 Vessels 



Recurrent 

 Laryngeal ^^- 

 Ncrve ^- 



Middle 



ThjTeoid 



Vein 



Antnirir jvi^jular Vein I 



Thyreoid Ciland 



Sterno- 

 cleido- 

 mastoid 

 Muscle 



Rt-current 

 L;iryngcal j 



N erve i 



rtirenic Nerve 



Pectoral is 

 ^lajor Muscle 



Internal 



Mammary' 



Vessels 



Body of 

 Sternum 



Pericardium 



-2nd Rib 



Internal 



Intercostal 



Muscle 



Fig. 113. Upper Aperture of Thorax. 



Nat. Size. 



Bebmau I^imited, Loudou. 



Rebman Company, New York. 



