<Tr> <Th_colspan="2"> Leukonychia </Th> </Tr> <Tr> <Th> Specialty </Th> <Td> Dermatology </Td> </Tr> <P> Leukonychia (or leuconychia), also known as white nails or milk spots, is a medical term for white discolouration appearing on nails . 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 . </P> <P> It is harmless and most commonly caused by minor injuries, such as nail biting, which occur while the nail is growing . Leukonychia occurs most commonly in healthy individuals, and is unrelated to any known nutritional or physiological deficiency . When caused by injury the marks will disappear as the nail grows outwards . While there are various sources that link dietary needs or vitamin deficiency with recurrent leukonychia, this notion has been challenged by some medical researchers . </P>

What do white spots on the nails indicate