start stage end stage white matter medial forebrain bundle medial forebrain bundles ZFA:0005111 zebrafish_anatomy TAO:0005111 Tract that originates in the telencephalon lies medial to the lateral forebrain bundle and extends into the diencephalon approaching the posterior tuberal nucleus. In embryos the tract connects cells in the ventral olfactory bulb to those in the septal area. pharyngula:prim-15 adult