Cell Component
peroxisome Audio
per·ox·i·some [ puh-rok-suh-sohm ]
Subclass of:
microbody
Definitions related to peroxisome:
  • A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Organelles containing peroxidase, catalase, and allied enzymes; they are involved in the metabolism of hydrogen peroxide.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Subcellular respiratory organelles containing catalase and hydrogen peroxide-producing flavin oxidases among its enzymatic constituents, which carry out an essentially oxidative type of metabolism
    NCI
    U.S. National Cancer Institute, 2021
  • Microbodies which occur in animal and plant cells and in certain fungi and protozoa. They contain peroxidase, catalase, and allied enzymes. (From Singleton and Sainsbury, Dictionary of Microbiology and Molecular Biology, 2nd ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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