amygdala morphology trait amygdala ribonucleic acid amount 2025-12-02T20:56:14Z CMO:0003315 The proportion, quantity, or volume of ribonucleic acid in the almond-shaped body of basal nuclei anterior to the inferior horn of the lateral ventricle of the brain, within the temporal lobe; this area is involved in aggression and fear responses. Ribonucleic acid is a high molecular weight, linear polymer composed of nucleotides containing ribose and linked by phosphodiester bonds. amygdala RNA amount VT:0011251 Trait.ontology forebrain ribonucleic acid amount