Lunula

Definition

The lunula is the visible part of the nail matrix that appears as a white crescent shape at the base of the fingernail or toenail. It plays a crucial role in nail growth and reflects the health of the nail matrix.

Related terms

Nail Matrix:

The tissue (or germinal matrix) under the nails that produces cells responsible for nail growth.

Keratin:

A type of protein found in nails, hair, and skin that provides strength and resilience.

Cuticle: The thin layer of skin at the base of a fingernail or toenail that acts as a protective barrier for the nail matrix