. . "CMO:0000334"^^ . "mshimoyama"^^ . "clinical_measurement_ontology"^^ . "heart atrium morphological measurement"^^ . "Measurement of the physical form or structure of either the right or the left upper chamber of the heart that receives blood from the veins and forces it into a ventricle."^^ . "2010-09-01T08:30:15Z"^^ . .