hypothalamus molecular composition trait hypothalamus ribonucleic acid amount 2023-07-12T20:09:49Z CMO:0003930 The proportion, quantity, or volume of ribonucleic acid in the ventral part of the diencephalon extending from the region of the optic chiasm to the caudal border of the mammillary bodies and forming the inferior and lateral walls of the third ventricle; this region regulates the autonomic nervous system via hormone production and release. Ribonucleic acid is a high molecular weight, linear polymer composed of nucleotides containing ribose and linked by phosphodiester bonds. Trait.ontology VT:0011048 caripark hypothalamus RNA amount forebrain ribonucleic acid amount