whereas the median raphe nucleus seems to be the primary source of 5-ht fibers to the suprachiasmatic nucleus , anterior hypothalamic area and medial preoptic area , the 5-ht inputs to the anterolateral hypothalamic area and arcuate nucleus appear to derive from both the dorsal and median raphe nuclei .
C0038866
suprachiasmatic nucleus
C0020663
hypothalamic