the reagents recognized different populations of neurons : those that recognized mao a were located in cell groups containing catecholamines , including the substantia nigra , nucleus locus coeruleus , nucleus subcoeruleus , and the periventricular region of the hypothalamus , whereas those that recognized mao b were observed in serotonin regions , including the nucleus raphe dorsalis and nucleus centralis superior .
C0007634
cell
C1708726
locus