retroflex fasciculus

ret·ro·flex fas·cic·u·lus

[TA]

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 retroflexus [TA], habenulointerpeduncular tract, habenulopeduncular tract [TA], tractus habenulointerpeduncularis [TA], fasciculus of Meynert, habenulopeduncular tract, retroflex bundle of Meynert

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Meynert,

Theodor H., Austrian neurologist, 1833-1892.

Meynert cells - solitary pyramidal cells found in the cortex in the region of the calcarine fissure.

Meynert commissures - the commissural fibers that lie above and behind the optic chiasm. Synonym(s): commissurae supraopticae

Meynert decussation

Meynert fasciculus - a compact bundle of fibers in the midbrain. Synonym(s): Meynert retroflex bundle; retroflex fasciculus

Meynert layer - layer three of the cortex cerebri. Synonym(s): pyramidal cell layer

Meynert retroflex bundle - Synonym(s): Meynert fasciculus

Medical Eponyms © Farlex 2012