#atrium_cordis__atrium_of_the_heart  the upper chamber of each half of the heart
  supertype:  #atrium.chamber  any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
  part:  #atrial_auricle  #auricula
  subtype:  #right_atrium_of_the_heart__right_atrium__rightatrium__atrium_dextrum  the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
  subtype:  #left_atrium_of_the_heart__left_atrium__atrium_sinistrum  the left upper chamber of the heart that receives blood from the pulmonary veins

No statement uses or specializes #atrium_cordis; click here to add one.