mamillothalamic fascicle

ma·mil·lo·tha·lam·ic fascicle

(mə-mĭl′ō-thə-lăm′ĭk, măm′ə-lō-)n. A thick compact bundle of nerve fibers that passes from the mamillary body on either side to the anterior nucleus of the thalamus. Also called Vicq d'Azyr's bundle.