the heaviest concentrations of app immunoreactive axons are present in the periventricular nucleus throughout the rostrocaudal extent of the hypothalamus , the ventrolateral portion of the suprachiasmatic nucleus , the retrochiasmatic area , the parvocellular paraventricular nucleus , the ventral supraoptic nucleus , the perifornical nucleus , the ventral dorsomedial nucleus , and the arcuate nucleus .
C0020663
hypothalamus
C0038866
suprachiasmatic nucleus