Lunula of Nails: What It Says About Your Health?

A nail is such a small portion of the human body, that we often miss its significance in our daily lives. They do not feature particularly strongly in our regular activities. When they grow and come in the way, we snip them. Alternatively, we may design them to suit our requirements, affording them no more attention other than for cosmetic purposes. This is ironic, because, some of the earliest symptoms of a deteriorating health can be first read on the nails. The most eloquent portion of the nail, in this regard, is the lunula of nails. This is not a body part you often hear about, so let us devote some time to understanding this body part.

 

What Is Lunula of Nails?

lunula

The word ‘lunula’ is derived from the Latin for ‘little moon’. Laymen can spot the lunula as the faint crescent-shaped structures – that themselves resemble moon shaped nails – at the base of the fingernails or toenails. as per some version of the lunula definition, it signifies the root of the nail. Histologically, it was assumed to a piece of the loose dermis, that was made of underdeveloped bundles of collagen. It is not actually white, but being present under the nail – on the nailbed – it appears so.

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What Does the Lunula Say about Your Health?

Like any body part, the lunula has a regular appearance, which is whitish and faintly visible on all nails (fingers and toes includes). Many people cannot actually spot the lunula on most digits, except the thumb. It is supposed to be several shades lighter than the person’s skin tone. Under certain conditions, however, the lunula may start showing variations in shape and coloration, which are indicators of physiological changes or ailments.

 

Changes in Colour

Changes in Colour of lunula

A very commonly reported occurrence is the yellowing of the nail‘s lunula, which is possibly an indication of constant and extended contact with harmful chemicals involved in day-to-day products like insecticides, pesticides, cleaning agents etc. Some people, however, complain of red spots on the lunula. This could signify psoriasis alopecia or vitiligo. Sometimes, the lunula goes all pink. This is attributed to low levels of physical activity and lung-related issues. If the lunula turns bluish,  chances are this is the effect of a medication. Some reports have also linked blue lunula to Haemoglobin M disease and Wilson’s disease. On the other hand, if your lunula becomes greyish, it could be a sign of fatigue and difficulty in the assimilation of nutrients by the body. Any darker shade, though, can mean something serious like metal poisoning.

 

Changes in Shape

Changes in Shape of lunula

Sometimes, the lunula loses its semi-circular appearance and turns triangular, which can be seen clearly under the nail. This could be indicative of Turner’s Syndrome (scientifically known as Osteo-onychodysplasia). This ailment is usually hereditary in nature and is associated with considerable pain. Alternatively, it could also be the sign of chromosomal disorders such as Down’s Syndrome, Patau Syndrome or Edward Syndrome.

 

Changes in Size

Usually, the lunula is barely visible, although different people report different degrees of visual proof. For some ethnicities, the lunulae are prominent, while for others, it is hard to discern. However, any change in size from the original is cause for concern. Macrolunulae is a condition wherein the lunulae cover more than a third of the nail. This could be a symptom of either endocrinal disorders (Hyperthyroidism, for instance) or cardiovascular issues like low blood pressure or irregularities in heartbeats. In another condition, called the micro lunulae, the lunulae appear to all but disappear. This is often attributed to low blood pressure, weakened immunity and the deficiency of vital vitamins in the body.

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What Do Lunulae in Each Finger Symbolise

You can take a look at your lunula health to be able to keep track of your general health. Here is a handy guide:

what Lunulae in each finger symbolise

  • Lunula on the Thumb: This is usually the biggest and the most visible lunula in a hand. Its health is an indication of the workings of the lung and the spleen. It has been observed that heavy smokers have a larger thumb lunula, while people suffering from arterial hypertension have a relatively smaller lunula.
  • Lunula on the Index Finger: Barely visible, this lunula is the bellwether for the working of the digestive and the ENT system.
  • Lunula on the Middle Finger: This lunula is said to be connected to the workings of the vascular and nervous systems. Any irregularity in this lunula can thus, indicate issues in the brain or blood pressure.
  • Lunula on the Ring Finger: The health of the lymphatic and reproductive, and to a small extent, the digestive system can be gauged from this lunula.
  • Lunula on the Pinky Finger: You can barely see this one. This lunula is an indication of the functioning of your small intestine, kidneys, and the heart.

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The lunula often gets hidden under the layers of nail paint and thus gets missed from our daily observations. A healthy body ideally should have a regular lunula, but it would be wise to spare a glance at this part of the nail anatomy, just to be sure that all is well with the body.

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