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lem·nis·ci(lem-nis'kŭs, -nis'ī), [TA]
A bundle of nerve fibers ascending from sensory relay nuclei to the thalamus.
Synonym(s): fillet (1)
[L. from G. lēmniskos, ribbon or fillet]
Any axon tract, usually traveling rostrally in the CNS, that transmits information related to somatic or visceral sensation.
See also: tract