Single transverse palmar crease on an infant's hand
Specialty
Medical genetics
In humans, a single transverse palmar crease is a single crease that extends across the palm of the hand, formed by the fusion of the two palmar creases. Although it is found more frequently in persons with several abnormal medical conditions, it is not predictive of any of these conditions since it is also found in persons with no abnormal medical conditions. It is found in 1.5% of the world population in at least one hand.[1]
^Dar M.D., Hannah (6 August 1976). "Palmar Crease Variants and Their Clinical Significance" (PDF). Medical Encyclopedia. United States National Library of Medicine. Retrieved 20 October 2016.
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