heart ribonucleic acid level heart right atrium ribonucleic acid level 2024-04-02T13:51:49Z CMO:0003984 This is a measurement of the amount of ribonucleic acid (RNA), the molecule composed of the sugar ribose, phosphate groups and any combination of the bases adenine, guanine, cytosine, and/or uracil, extracted from or contained in the heart right atrium, the upper chamber of the right side of the heart, which receives deoxygenated blood from the venae cavae and the coronary sinus, and pumps it into the right ventricle through the tricuspid valve. VT:0011109 clinical_measurement_ontology heart right atrium RNA level heart right atrium ribonucleic acid amount right cardiac atrium RNA level right cardiac atrium ribonucleic acid amount slaulederkind