Palmar crease

A palmar crease is a type of crease on the palm. A single transverse palmar crease is sometimes associated with Down syndrome. Other types of creases include the Sydney crease and the Suwon, or double transverse palmar crease. A palmar crease is a type of crease on the palm. A single transverse palmar crease is sometimes associated with Down syndrome. Other types of creases include the Sydney crease and the Suwon, or double transverse palmar crease.