what is the lunula purpose
- Anatomy of your fingernail: the lunula or lunulae! August 12, 2009. The lunula, or lunulae (a.k.a. the ânail moonâ), 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 â which is the ârootâ of the nail.