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microfibril

[mahy-kroh-fahy-bruh l, -fib-ruh l] /ˌmaɪ kroʊˈfaɪ brəl, -ˈfɪb rəl/
noun, Cell Biology
1.
a microtubule, microfilament, or other fine threadlike structure of a cell.
Origin
1935-1940
1935-40; micro- + fibril
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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micro-fibril in Medicine

microfibril mi·cro·fi·bril (mī'krō-fī'brəl, -fĭb'rəl)
n.
An extremely small fibril.

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