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microfibril

American

[mahy-kroh-fahy-bruhl, -fib-ruhl] / ˌmaɪ kroʊˈfaɪ brəl, -ˈfɪb rəl /

noun

Cell Biology.

a microtubule, microfilament, or other fine threadlike structure of a cell.

Etymology

Origin of microfibril

First recorded in 1935–40; micro- + fibril

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.