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 (no͝or′ə-fī′brəl, -fĭb′rəl, nyo͝or′-)
Any of the long, thin, microscopic fibrils that run through the body of a neuron and extend into the axon and dendrites.

neu′ro·fi′bril·lar′y (-brə-lĕr′ē) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Anatomy) any of the delicate threads within the body of a nerve cell that extend into the axon and dendrites
ˌneuroˈfibrilar, ˌneurofiˈbrillar, ˌneurofiˈbrillary adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌnʊər əˈfaɪ brəl, -ˈfɪb rəl, ˌnyʊər-)

a fibril of a nerve cell.
neu`ro•fi′bril•lar, neu`ro•fi′bril•lar′y, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Pathologically, AD shows accumulation of senile plaques, neurofibrillar tangles, brain atrophy, and regional cerebral hypometabolism with low cerebral metabolic rates of glucose use.
Calcium influx leads to cytoskeleton alterations similar to neurofibrillar tangles in patients with dementia [36].
Microscopically, the tumour is composed of small round cells (slightly larger than lymphocytes) and neurofibrillar matrix, often forming rosettes.