Lunula or lunulae is a whitish crescent-shaped area of the nail. Lunula is the visible part of the nail root.

In humans, it appears up to the 14th week of pregnancy and plays a major structural role in defining the free edge of the distal nail plate (part of the nail that grows outside).


Lunula function


It is located at the end of the nail (the closest to the skin of the finger) but still lies under the nail. In fact, it is not white but appears only when it is visible through the nail. The contour nail matrix is ​​a very delicate part of the nail structure. If someone damages the skull, the nail will be permanently deformed. Even after removing the entire nail, the lunula stays in place and is similar to another smaller nail embedded in the nail bed.


In most cases, it has a crescent shape and has unique histological features. Studies have shown that lunula was an area of ​​the loose dermis with less developed collagen bundles. It seems whitish because the thickened basal layer covers the underlying blood vessels.


Lunula function is the most noticeable on the thumb; however, not all lunulae are visible. In some cases, the eponychium may partially or completely cover the cover.



Lunula speaks about the health of the human body.


Normal conditions


1. Quantity: it would be better to have between 8 and 10 lunches on both hands;
2. Shape: it would be better to take one-fifth of the nail;
3. Color: it would be better in ivory color. Whiter the better, which means that the person is stronger.



Abnormal conditions


The development of lunula depends on nutrition, the environment, and physical quality. When the function of digestion and absorption is poor, the lunula darkens, decreases and even disappears.


A large lunula indicates the rapid circulation of blood, while the small lunula indicates a poor blood circulation; lunula disappears under the influence of severe anemia. The less lunula a person has, the lower the energy, colder constitution and the weaker immunity he has, so his body, feet, and hands are always cold.

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