The core, one on hay. and one on the left. side in formatio reticularis lateral/outer part, located in the upper part of the medulla oblongata.
The nucleus receives signals from a large number of surrounding areas with autonomic, visceral and sensory functions and has an extensive signal outflow to the locus coeruleus complxet.
The ventrolateral paragigantocellular nucleus contains the noradrenergic cell group A5.