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Medical Term:

retroflex fasciculus


Definition: a compact bundle of fibers arising in the habenula and passing anteriorly (ventrally) to the interpeduncular nucleus at the base of the midbrain; some of its fibers bypass this nucleus and terminate in the raphe nuclei of the caudal mesencephalic tegmentum.

Synonym(s): fasciculus retroflexusTA, habenulointerpeduncular tract, habenulopeduncular tractTA, tractus habenulointerpeduncularisTA, fasciculus of Meynert, habenulopeduncular tract, retroflex bundle of Meynert

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.