Skip to Content


Pronunciation: si'klo-pen'ta[a]fen'a-thren

Definition: Phenanthrene, to the a side of which a three-carbon fragment is fused; as the perhydro (saturated) derivative, it is the basic structure of the steroids.

Further information

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.