A noncarcinogenic substance that enhances tumor production in a tissue previously exposed to subcarcinogenic doses of a carcinogen.initiating agent
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Read more in this article about some frequently asked questions and fun facts related to our definitions.
Who is the “Nobel” in “Nobel Prize” and what does he have to do with explosions?
Each year in October, the Nobel Prize committee in Stockholm announces what has become a sort of gold medal for science, literature, and politics. This year’s laureates include Peruvian author Mario Vargas Llosa in literature and Robert G. Edwards, father of the test tube baby, in medicine. Winners receive a sum usually worth millions of dollars in addition to oodles of prestige. After you read this, you …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.