There is a close relationship between distal phalangeal hypoplasia and a high incidence of arches in fingerprints and toeprints. A hypothesis is offered that the hypoplastic phalangeal skeleton was associated with underdevelopment of the digital pads at the time the dermal ridges were laid down.
Robinow M, Johnson GF. Dermatoglyphics in Distal Phalangeal Hypoplasia. Am J Dis Child. 1972;124(6):860–863. doi:10.1001/archpedi.1972.02110180062008
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