Oesophagus 



[ Recurrent 

 Laryngeal Internal Jugular Vein 



Pectoralis Major Muscle 



Brachial Plexus 

 Pectoralis Minor Muscle 

 Coraco-brachialis and Short Head 

 of Biceps Muscle 



Long Head of Biceps Muscle 



Carotid Artery 

 Vagus Nerve 

 Phrenic 

 Nerve I 

 1st Rib 



Trachea ^^^^'^ 



' 1st Dorsal 



Vertebra 

 Thy- 

 reoid 



Gland 



Scalenus Anticus Muscle 

 Subclavian Vein 



Subclavian 

 Artery Subclavius Muscle 

 I Clavicle 1 Cephalic Vein 



Deltoid Muscle 



Hull 



Infraspinatus Musi.li 



Serratus ^lagnus ^tuscle 



Apex of Pic-u 



Sea] 



Apex of Pleura 



2nd Rib 



Rhoniboideus Major Muscle 2nd Dorsal Trapezius 3rd Dorsal ' jrd Rib 



A''ertebra Muscle Vertebra 



Fig. 121. Ti-ansverse Section through the Trunk at the level of the 1st and 2nd Dorsal Vertebra. 



Scon from below. — -;- N,it. Size. 



Anterior llediastinum 

 Atrium of. Pericardial I Internal Maui- Right 



Pectoralis Major iluscle Right Auricle Cavity Sternum j mary Artery Ventricle Left Ventricle 



4th Rib 



Atrium of Left Auricle 



Left Phrenic Ner\'e 



Serratus Magnus Muscle 



Latissimus Dorsi Alusde' ^^ 

 Oesophagu; 



Descending Aorta 



Thoracic Duct 



Right Vagus Nerve oth Rib Intercostal Azj'gosVein oth Dorsal ■"'■^i> , „ ,, , ... 



Vein Vertebra Sympathetic Splanchnic Nerve and Small Azygos Vein 



Fig. 122. Transverse Section tlu'ough the Thorax at the level of the 9tii Dorsal Vertebra. 



Seeu from below. — 7a N^at- Size. 



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