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Pronunciation: kă-tab′ō-lizm


  1. The breaking down in the body of complex chemical compounds into simpler ones (glycogen to CO2 and H2O), often accompanied by the liberation of energy.
  2. The sum of all degradative processes.

Synonym(s): dissimilation2

[G. katabolē, a casting down]

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