spinal cord molecular composition measurement spinal cord mRNA composition measurement 2014-01-28T09:54:38Z Any quantitation of the messenger RNAs which contribute to the chemical make-up of the spinal cord. Messenger RNAs are the high molecular weight, linear polymers, composed of nucleotides containing ribose and linked by phosphodiester bonds, that transfer the coding information for protein synthesis from the chromosomes to the ribosomes. CMO:0002124 JSmith clinical_measurement_ontology