368 



V. pulmonalis dextra 



The Heart. 



Atrium sinistruni 



V. cava superior 



Atrivim 

 dextrum" 



Auricula . 

 dextra 



.Auricula sinistra 



icular opening of the atrivim sinistrimi 



Aorta ascendens. 



Conus arteriosus 



s-^w. _ Ventricular opening 



^N of the atrium dextrum 



r\.. pulmonalis 



Ventriculus dexter 



/ 

 Incisura [apicis] cordis 



Sulcus 



longitudinalis 



anterior 



i j_ -Ventriculus 

 sinister 



Apex cordis 

 Vortex cordis 



413. Superficial muscle layer of a maximally 



contracted heart, viewed from above and in front. 



(The fore-eliainl)ers or atria have boon (lissccted off. The (Hithnes of the dihited ventricles of 

 the heart are indicatt'd in red, the position of the ostium arteriosum sinistrum being assumed 



to be fixed. [Text see pp. 370, 371 and 373.]) 



