Ames test

Ames test definition - medical

Ames test

noun
A test in which strains of Salmonella that are unable to synthesize histidine are introduced into a test substance lacking in histidine. If the strains then regain the ability to synthesize histidine, the substance is considered mutagenic and thus carcinogenic.

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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