An official website of the United States government.

The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you're on a .gov or .mil site by inspecting your browser's address (or "location") bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted - in other words, any information or browsing history that you provide is transmitted securely.

Thesaurus Search Results

reactive oxygen species
Subject Category
W Physical and Chemical Sciences
Reactive oxygen species are molecules containing oxygen with unpaired and unstable electron configurations which are highly reactive with other molecules.
Definition Source
NAL Thesaurus Staff
RDF/XML Format:
Persistent URI:
Used For
oxygen radicals
reactive oxygen metabolites
reactive oxygen molecules
Broader Term
Narrower Term
hydroxyl radicals
singlet oxygen
superoxide anion
Related Term
free radical scavengers
oxidative stress
oxidative toxicity
especies de oxígeno reactivo
Term Number