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Medical Term:


Pronunciation: mi'o-fi'bril

Definition: One of the fine longitudinal fibrils occurring in a skeletal or cardiac muscle fiber comprising many regularly overlapped ultramicroscopic thick and thin myofilaments.

Synonym(s): muscular fibril, myofibrilla

[myo- + Mod. L. fibrilla, fibril]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.