sulcus matricis unguis

sul·cus ma·'tri·cis un·'guis

the cutaneous furrow in which the lateral border of the nail is situated.

Synonym(s): groove of nail matrix, vallecula unguis

sul·cus ma·tri·cis un·guis

(sŭl'kŭs ma-trī'sis ŭng'gwis)

The cutaneous furrow in which the lateral border of the nail is situated.
Synonym(s): groove of nail matrix.