The nucleus locus coeruleus (dorsolateralis tegmenti).
D002467:Cell Nucleus; D002552:Cerebral Ventricles / Q000033:anatomy & histology*; D022004:Chromosome Structures; D006652:Histological Techniques; D006801:Humans; D008125:Locus Coeruleus
CEREBRAL VENTRICLES/anatomy and histology