¹ Source: wiktionary.com
Definition of Pleiotropic
1. [adj]
Medical Definition of Pleiotropic
1. Having multiple effects. For example: the cyclic AMP concentration in a cell will have a variety of effects because the cAMP acts to control a protein kinase that in turn affects a variety of proteins. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)