what are the white marks on your fingernails
Leukonychia Leukonychia (or leuconychia), also known as white nails or milk spots,[1] is a medical term for white discolouration appearing on nails.[2]:658â€“9 It is derived from the Greek words leuko ("white") and nychia ("nails"). The most common cause is injury to the base of the nail (the matrix) where the nail is formed.