Nail unit 21 December 2020 The nail unit is an anatomically correct term used to describe the area at the end of fingers and toes. A relatively complicated area that protects the last bone and aids dexterity. Related Articles: The Impact of Nail Polish and Chemical Exposure on FertilityGlobal Nail Education Seminars and Online ResourcespH in Nail Care Explained: A Guide for Nail ProfessionalsNail Plate Transformations: Mastering Cosmetic Enhancements and Corrective TechniquesNatural vs. Nourished: Is Bare Better for Your Nails?