cerebral artery molecular composition trait cerebral artery ribonucleic acid amount 2025-04-14T18:01:54Z VT:0011163 The proportion, quantity, or volume of ribonucleic acid in any of the arteries which irrigate the cerebrum of the brain. Ribonucleic acid is a high molecular weight, linear polymer composed of nucleotides containing ribose and linked by phosphodiester bonds. cerebral artery RNA amount Trait.ontology artery ribonucleic acid amount