- The first stage of tumor induction by a carcinogen; subtle alteration of cells by exposure to a carcinogenic agent so that they are likely to form a tumor on subsequent exposure to a promoting agent (promotion).
- Starting point of replication or translation in macromolecule biosynthesis.
- Start of chemical or enzymatic reaction.
- The first step in a chain reaction.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.