mammillothalamic fasciculus
mammillothalamic tract

Korsakoff's syndrome stems from damage to the mammillary body, the mammillothalamic fasciculus or the thalamus.

The mammillothalamic fasciculus (mammillothalamic tract, thalamomammillary fasciculus, bundle of Vicq d'Azyr) arises from cells in both the medial and lateral nuclei of the mammillary body and by fibers that are directly continued from the fornix.