Exogenous modern Chemical Compounds
<p><b >Exogenous</b> (from the <a href="http://en.wikipedia.org/wiki/Greek_language" title="Greek language" >Greek</a> words "exo" and "gignomi", meaning "outside" and "to come to be") refers to an action or object coming from outside a system. It is the opposite of<i ><a href="http://en.wikipedia.org/wiki/Endogenous" title="Endogenous" class="mw-redirect" >endogenous</a></i>, something generated from within the system.</p>
<p>
</p>