fibril (redirected from muscle fibril)

fibril /fi·bril/ (fi´bril) a minute fiber or filament.fibril´larfib´rillary

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collagen fibrils  delicate fibrils of collagen in connective tissue, composed of molecules of tropocollagen aggregated in linear array.

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.

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fi·bril (fbrl, fbrl) or fi·bril·la (f-brl)

n.

A minute fiber.

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fibril

a minute fiber or filament.