hippocampal formation ribonucleic acid amount CA3 field of hippocampus ribonucleic acid amount 2026-03-17T14:37:06Z CA3 field of hippocampus RNA amount CMO:0004140 Trait.ontology The proportion, quantity, or volume of ribonucleic acid in the part of the hippocampus proper bounded by the hilus of the dentate gyrus and area CA2, charaterized by large pyramidal cells and a dense projection from detate gyrus granule cell mossy fibers. Ribonucleic acid is a high molecular weight, linear polymer composed of nucleotides containing ribose and linked by phosphodiester bonds. VT:0011287