The term "cutaneous" refers to the skin. Subcutaneous means beneath or under all the layers of the skin. For example, a subcutaneous cyst is under the skin.
Habif TP, ed. Principles of diagnosis and anatomy.Clinical Dermatology
Update Date 12/7/2012
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.