Alternate medical names include onychorrhexis and onychoschizia. 쉽게 갈라지고, 벗겨지고, 부러지는 손발톱을 식별하는 것은 어렵지 않습니다. It is nearly impossible to grow nails out when they are brittle, because once the nails have any amount of free edge, they split and break.