fibril

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fibril

 [fi´bril]
a minute fiber or filament. adj., adj fi´brillar, fi´brillary.
collagen f's delicate fibrils of collagen in connective tissue, composed of molecules of tropocollagen in linear array. In Type I collagen, the most common type, the tropocollagen molecules are associated in periodic, staggered arrays that give the appearance of cross-banding, forming unit fibrils; these unit fibrils are aggregated in bundles to form larger fibrils, with longitudinal striations, which may themselves be aggregated into fibers.
muscle fibril myofibril.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

fi·bril

(fī'bril),
A minute fiber or component of a fiber.
Synonym(s): fibrilla
[Mod. L. fibrilla]
Farlex Partner Medical Dictionary © Farlex 2012

fibril

(fī′brəl, fĭb′rəl)
n.
1. A small slender fiber or filament.
2. Anatomy A threadlike fiber or filament, such as a myofibril or neurofibril, that is a constituent of a cell or larger structure.
3. A long strand of proteins that are aggregated together in a beta-sheet structure; an amyloid fibril.

fi′bril·lar (-lər), fi′bril·lar′y (-lĕr′ē) adj.
fi′bril·lose′ (-lōs′) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

fi·bril

(fī'bril)
A minute fiber or component of a fiber.
Synonym(s): fibrilla.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

fibril

A fine, slender fibre.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

fibril

a small FIBRE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005