Fig. 1From: Unraveling the serotonin saga: from discovery to weight regulation and beyond - a comprehensive scientific reviewProjections to and from 5-HT ORN neurons. Projections to the DRN are illustrated with a green arrow and from the DRN are red. Reciprocal projections are purple. Abbreviations are as follows: ARH, Arcuate Nucleus of the Hypothalamus, BNST, Bed nucleus of the stria terminalis, DRN, Dorsal Raphe Nucleus, LHb, Lateral Habenula, LH, Lateral Hypothalamus, NTS, nucleus tractus solitarius, STR, Striatum.Globus pallidus and substantia nigra are not pictured. Created with BioRender.comBack to article page