what is the lunula purpose?
<answer> It can be described as the visible part of the nail matrix  which is the ‘root’ of the nail. <context> Anatomy of your fingernail: the lunula or lunulae! August 12, 2009. The lunula, or lunulae (a.k.a. the ‘nail moon’), is the crescent-shaped whitish area of the bed of a fingernail (or toenail). The lunula can also be described as the visible part of the nail matrix – which is the ‘root’ of the nail.