| NOUN | body | atrium cordis, atrium of the heart | the upper chamber of each half of the heart |
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| Meaning | The upper chamber of each half of the heart. | |
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| Synonym | atrium of the heart | |
| Parts | auricle, atrial auricle, auricula atrii | A small conical pouch projecting from the upper anterior part of each atrium of the heart |
| auricula, auricular appendage, auricular appendix | A pouch projecting from the top front of each atrium of the heart | |
| Narrower | left atrium, left atrium of the heart, atrium sinistrum | The left upper chamber of the heart that receives blood from the pulmonary veins |
| right atrium, right atrium of the heart, atrium dextrum | The right upper chamber of the heart that receives blood from the venae cavae and coronary sinus | |
| Broader | atrium | Any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart) |
| Spanish | aurícula del corazón, aurícula | |
| Catalan | aurícula | |
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