cofactor

cofactor definition - medical

co·fac·tor (kōˈfăkˌtər)

noun
A substance, such as a metallic iron or coenzyme, that must be associated with an enzyme for the substance to function.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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