heart left ventricle ribonucleic acid level heart left ventricle myocardium ribonucleic acid level 2026-03-17T07:48:19Z CMO:0004139 GEO:GSE282713 PMID:41022776 This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in the thick contractile middle layer of uniquely constructed and arranged muscle cells that forms the bulk of the heart left ventricle wall. VT:0011039 caripark clinical_measurement_ontology heart left ventricle myocardium RNA level