FROZEN SECTIONS. 



589 



Thyroid gland 



Internal jugular vein 



Innominate 

 artery 



Clavicle 



Coracoid process 



Subclavian 

 artery and vein 



Second rib 



Descending 



vena cava 



Third rib 



Trachea 



Internal 

 jugular vein 



Clavicle 



Subclavian vein 



.Coracoid 

 i, process 



Subclavian 

 artery 



Second lumbar 

 vertebra 



Pancreas 



Suprarenal gland 

 Ureter 

 Renal artery 

 Renal vein 



Psoas muscle 



Fourth lumbar vertebra 



FIG. 609. Coronal section through the 



thorax. 



