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Pronunciation: mi-to-fyu'zhun

Definition: Process in which mitochondria of healthy cells undergo fusion; the course of action occurs in three steps, first, the mitochondria align themselves, end to end; next, the outer membranes of the two organelles fuse with each other; and last, the inner membranes fuse with each other, thus forming a larger mitochondrion.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.