skeletal muscle of trunk ribonucleic acid level multifidus muscle ribonucleic acid level 2026-04-13T13:50:02Z Any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) in the small, triangular muscular and tendinous bundles located on either side of the spinal column that fill the groove between the transverse and spinous processes of the vertebrae (from the sacrum to the axis [C2]). CMO:0004145 GEO:GSE267096 PMID:40979828 VT:0011293 caripark clinical_measurement_ontology multifidus muscle RNA level