The typical human fingernail has a tiny, white half-moon shape at the base, where it connects to the finger and cuticle. While some individuals are born without the ability to perceive the half-moon, or lunula, on their nails, the absence of this nail art feature may indicate a vitamin shortage or other major health issue.

The matrix is a space beneath the skin where nails develop. Generate additional cells with the aid of the matrix. After then, the cells clump together and push themselves out of the skin. A white half-moon on the base of a nail, known as a lunula, might indicate a lot of various problems. This area of the nail appears white because the fifth basal elastin layer is hidden underneath the blood cells.