lemniscus

[lem-nis-kuh s] /lɛmˈnɪs kəs/
noun, plural lemnisci
[lem-nis-ahy, -nis-kee] /lɛmˈnɪs aɪ, -ˈnɪs ki/ (Show IPA).
Anatomy
1.
a band of fibers, especially of white nerve fibers in the brain.
Also called fillet, laqueus.
Origin
1840-50; < Neo-Latin, special use of Latin lēmniscus pendent ribbon < Greek lēmnískos ribbon
British Dictionary definitions for lemniscus

lemniscus

/lɛmˈnɪskəs/
noun (pl) -nisci (-ˈnɪsaɪ; -ˈnɪskiː)
1.
(anatomy) a technical name for fillet (sense 9)
Word Origin
C19: New Latin, from Latin, from Greek lēmniskos ribbon
Word Origin and History for lemniscus
n.

1811, from Late Latin lemniscus "a pendent ribbon." from Greek lemniskos "woolen ribbon," perhaps originally or literally "of Lemnos," island in the Aegean. Related: Lemniscate (1781).

lemniscus in Medicine

lemniscus lem·nis·cus (lěm-nĭs'kəs)
n. pl. lem·nis·ci (-nĭs'ī', -nĭs'kī', -nĭs'kē)
A bundle of nerve fibers ascending from sensory nuclei in the spinal cord and the rhombencephalon to the thalamus.