label: diagonal band of Broca
label_lc: diagonal band of broca
description: "A white fibre bundle descending in the precommissural septum toward the base of the forebrain, immediately rostral to the lamina terminalis; at the base, the bundle turns in the caudolateral direction; traveling through the ventral substantia innominata alongside the optic tract, it fades before reaching the amygdala."