nucleus accumbens morphology trait nucleus accumbens molecular composition trait 2024-04-01T10:04:35Z Any measurable or observable characteristic related to the proportions of proteins, minerals, nutrients, gases, or other substances in the group of neurons located at the head of the caudate nucleus and anterior to the putamen; these neurons normally are involved in sensations of pleasure and reactions to addictive substances. Nacc molecular composition trait Trait.ontology VT:0011105 caripark telencephalon molecular composition trait