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peroxisome

Pronunciation: pe-rok'si-som

Definition: A membrane-bound organelle occurring in many eukaryotic cells that often has an electron-dense crystalline inclusion containing catalase, urate oxidase, and other oxidative enzymes relating to the formation and degradation of H2O2; thought to be important in detoxifying various molecules and in catalyzing the breakdown of fatty acids to acetyl-CoA; an absence of peroxisomes is found in patients with Zellweger syndrome.

[peroxide + G. soma, body]

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