adermatoglyphia

noun2

1. •
   The absence of epidermal ridges (fingerprints and toeprints).
2. •
   An autosomal dominant genetic disorder, caused by mutations in the SMARCAD1 gene, resulting in the absence of epidermal ridges.

   • A rare genetic condition called adermatoglyphia leaves some people with no fingerprints at all. — 2017