Nail Glossary by NailMOB

Nail Industry Encyclopedia & Definitions



Definition of Melanonychia

  1. Melanonychia is a blackening on the nail plate by melanin pigmentation. It can often present as a darkened band under or within the nail plate. Often it runs vertically, and when it does, it’s referred to as a longitudinal melanonychia or melanonychia striata.

Added to the Nail Glossary on November 14, 2016

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