|
Medical Definition of Broca's diagonal band
1. 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 a ventral stratum of the innominate substance alongside the optic tract, it fades before reaching the amygdala. (05 Mar 2000)