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Pronunciation: nu'ro-fi'bril

Definition: A filamentous structure seen with the light microscope in the nerve cell's body, dendrites, axon, and sometimes synaptic endings, as aggregations of much finer ultramicroscopic elements, the neurofilaments and microtubules; their functional significance remains to be established.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.