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mitochondrion

Pronunciation: mi'to-kon'dre-on, mi'to-kon'dre-a

Definition: An organelle of the cell cytoplasm consisting of two sets of membranes, a smooth continuous outer coat and an inner membrane arranged in tubules or more often in folds that form platelike double membranes called cristae; mitochondria are the principal energy source of the cell and contain the cytochrome enzymes of terminal electron transport and the enzymes of the citric acid cycle, fatty acid oxidation, and oxidative phosphorylation.

Synonym(s): Altmann granule2

[G. mitos, thread, + chondros, granule, grits]

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