neurofibril

noun

neu·​ro·​fi·​bril ˌnu̇r-ō-ˈfī-brəl How to pronounce neurofibril (audio) -ˈfi- How to pronounce neurofibril (audio)
ˌnyu̇r-
: a fine proteinaceous fibril that is found in cytoplasm (as of a neuron or a paramecium) and is capable of conducting excitation
neurofibrillary adjective

Word History

Etymology

borrowed from German Neurofibrille, from neuro- neuro- + Fibrille fibril

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of neurofibril was in 1898

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Cite this Entry

“Neurofibril.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neurofibril. Accessed 1 Mar. 2025.

Medical Definition

neurofibril

noun
neu·​ro·​fi·​bril ˌn(y)u̇r-ō-ˈfīb-rəl How to pronounce neurofibril (audio) -ˈfib- How to pronounce neurofibril (audio)
: a fine proteinaceous fibril that is found in cytoplasm (as of a neuron) and is capable of conducting excitation
neurofibrillary adjective
also neurofibrillar
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