part of part of central nervous system axon tract medial corticohypothalmic tract mct The main route taken by fibers from the ventral subiculum to the hypothalamus, where they innervate the medial preoptic area, “shell” of the ventromedial nucleus, dorsomedial nucleus, ventral premammillary nucleus, and cell-poor zone around the medial mammillary nucleus. MBA:428 UBERON:8440031