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[lem-nis-kuh s] /lɛmˈnɪs kəs/
noun, plural lemnisci
[lem-nis-ahy, -nis-kee] /lɛmˈnɪs aɪ, -ˈnɪs ki/ (Show IPA).
a band of fibers, especially of white nerve fibers in the brain.
Also called fillet, laqueus.
Origin of lemniscus
1840-50; < New Latin, special use of Latin lēmniscus pendent ribbon < Greek lēmnískos ribbon Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for lemniscus


noun (pl) -nisci (-ˈnɪsaɪ; -ˈnɪskiː)
(anatomy) a technical name for fillet (sense 9)
Word Origin
C19: New Latin, from Latin, from Greek lēmniskos ribbon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for lemniscus

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).

Online Etymology Dictionary, © 2010 Douglas Harper
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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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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