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Related to diagonal band: Diagonal band of Broca
Bro·ca di·ag·o·nal band(brō-kah'),
a white fiber bundle descending in the precommissural septum toward the base of the forebrain, immediately rostral to the lamina terminalis; this band consists of a horizontal limb [TA] (crus horizontale [TA]) and a vertical limb [TA] (crus verticale [TA]), and the cells associated with the band form the nucleus of the diagonal band [TA] (nucleus striae diagonalis [TA]); 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.
An axon tract in the basal forebrain region of the cerebral hemisphere. It interconnects the septal area and the substantia inominata.Synonym: diagonal band of Broca; tractus diagonalis
See also: band