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Simian crease


Simian crease
A simian crease is a single palmar crease as compared to two creases in a normal palm. Simian crease occurs in about 1 out of 30 normal people, but is also frequently associated with other conditions such as Down syndrome, Aarskog syndrome or fetal alcohol syndrome.


Review Date: 5/17/2010
Reviewed By: A.D.A.M. Editorial Team: David Zieve, MD, MHA, David R. Eltz. Previously reviewed by Luc Jasmin, MD, PhD, Departments of Anatomy and Neurological Surgery, University of California, San Francisco, CA. Review provided by VeriMed Healthcare Network (10/14/2009).

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