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fibril

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noun fi·bril \ ˈfī-brəl , ˈfi- \

Definition of fibril

:a small filament or fiber: such as
a :root hair
b (1) :one of the fine threads into which a striated muscle fiber can be longitudinally split
(2) :neurofibril
—

fibrillar

play \ˈfi-brə-lər, ˈfī-\ adjective

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Origin and Etymology of fibril

New Latin fibrilla, diminutive of Latin fibra

Medical Dictionary

fibril

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noun fi·bril \ ˈfīb-rəl , ˈfib- \

medical Definition of fibril

:a small filament or fiber: as
a :one of the fine threads into which a striated muscle fiber can be longitudinally split
b :neurofibril

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