The Heart. 



381 



Costa I 



V. thyreoidea iiiia V. auoiiyma sinistra 

 1 j Trachea 



V. azygos I I I 



Ramus dexter a. pulmonalis ' I | ' 



V. jugulavis interna j ' | 



A. subclavia | | 

 V. subclavia i 



Arcus aortae 

 I Liganientum artcriosum 



Ramus sinister a. pulmonalis 

 V. subclavia 



Pulmo dexter 



Vv. pulmonales dextrae 



Pulmo sinister 

 Vv. pulmonales sinistrae 



V. cava superior I 



Atrium sinistrum 



I A. pulmonalis 



Aorta ascendens 



427. Position of the heart and great vessels, 



viewed from in front. 



(Pieces have been cut out of the v. cava superior, aorta and a. pubnonalis; the heart has been 

 turned downward, so that the apex luiks downward.) 

 Spalteholz, Atlas. 25 



