Single palmar crease; Transverse palmar crease; Palmar crease
Definition of Simian crease
A simian crease is a single line that runs across the palm of the hand. People usually have three creases in their palms.
A.D.A.M. Editorial Team: David Zieve, MD, MHA, and David R. Eltz. Previously reviwed by Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine (5/12/2009). – 12/10/2010