diagonal band


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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.
Synonym(s): diagonal band [TA], stria diagonalis [TA]

diagonal band

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
References in periodicals archive ?
Caption: Vivat thread showing diagonal bands of colour.
Ask students to describe the other parts of the composition, such as the diagonal bands running across the center, as well as the colorful horizontals that appear to form a backdrop to the scene.
Part of a 19th century description or 'blazon' of the Parbury escutcheon reads: "Or on a bend engrailed, cotised, also engrailed, azure between six torteaux, five escallops argent," which translates as "two thin gold scalloped diagonal bands on a blue scalloped band between six red spots with five silver shells.

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