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fibril
(redirected from collagen fibrils)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
fibril /fi·bril/ (fi´bril) a minute fiber or filament.fibril´larfib´rillary
collagen fibrils  delicate fibrils of collagen in connective tissue, composed of molecules of tropocollagen aggregated in linear array.
Enlarge picture
Type I collagen fibril (A); it is composed of unit fibrils, here shown negatively stained (B). The unit fibrils themselves comprise tropocollagen molecules in regular staggered arrays (C, D).
dentinal fibrils  component fibrils of the dentinal matrix.
muscle fibril  myofibril.

fi·bril (fbrl, fbrl) or fi·bril·la (f-brl)
n.
A minute fiber.

fibril
[fī′bril]
Etymology: L, fibrilla, small fiber
a small filamentous fiber that often is a component of a cell, as in a mitotic spindle or a myofibril. fibrillary, adj.

fibril
a minute fiber or filament.


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Spindle cell lipomas are characterized by bundles of relatively uniform spindle cells, broad collagen fibrils, and the absence of lipoblasts, which are a main diagnostic feature of liposarcomas.
The extremities or terminals of the collagen molecule are nonhelical but are important for the formation of collagen fibrils and for other nontensile functions, including interactions with other extracellular components.
If the collagen fibrils collapse, you don't get a good interlocking system," Antonucci says.
 
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