brain regions , areas or nuclei found densely innervated by npy-like immunoreactive fibers included the olfactory bulb region , septal area , organum vasculosum of the lamina terminalis , preoptic periventricular nucleus , hypothalamic periventricular nucleus , medial suprachiasmatic nucleus , subseptal ( subfornical ) organ , ventromedial hypothalamic nucleus , infundibular nucleus and nucleus tractus solitarius .
C0025148
bulb
C0175518
nucleus