#auricula__auricular_appendage__auricularappendage__auricular_appendix__auricularappendix  a pouch projecting from the top front of each atrium of the heart
  supertype:  pouch.sac__pocket  (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
  part of:  atrium_cordis__atrium_of_the_heart  the upper chamber of each half of the heart

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