noun
- the border of skin around a fingernail or toenail
Usage: medical; anatomy
Examples
- The doctor examined the inflamed perionychium around her infected fingernail.
- Proper nail care includes keeping the perionychium clean and moisturized.
- The manicurist carefully pushed back the perionychium before applying polish.
- Swelling of the perionychium can indicate a bacterial infection.
- The perionychium protects the nail matrix from external damage.
- She developed a painful hangnail where the perionychium had torn.