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 ?
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.
Frassati's drawing of Apr 5 matched the Director's of Apr 17, three atmospheric rotations later, both showing two diagonal bands in the same position.
He then superimposes this fanciful critter over a nineteenth-century color print of a horse and diagonal bands of early prints, sepia with age, all from the estate of Charles Wilson Peale's granddaughter.