<Tr> <Th> ICD - 9 - CM </Th> <Td> 703.8 </Td> </Tr> <Tr> <Th> DiseasesDB </Th> <Td> 30839 </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Beau's lines are deep grooved lines that run from side to side on the fingernail or the toenail . They may look like indentations or ridges in the nail plate . This condition of the nail was named by a French physician, Joseph Honoré Simon Beau (1806--1865), who first described it in 1846 . </P>

Why do i have indentations on my fingernails