Isla Bennett
The half-moon shape at the base of your fingernail is known as a lunula. In most cases, not being able to see a lunula isn't a cause for concern, but it can sometimes be a sign of a vitamin deficiency, kidney failure, or another health condition. If you notice any changes to the lunula, it's important to tell your doctor.
| Characteristics | Values |
|---|---|
| Name | Fingernail moons, lunula (Latin for little moon) |
| Description | Rounded shadows at the base of your nails |
| Cause for concern | Not being able to see fingernail moons may be a sign of vitamin deficiency, vitiligo, kidney failure or another health condition. However, in many cases, this is not a cause for concern. Sometimes, the lunula is simply hidden under the skin. |
| Shape | Pyramidal lunula occurs when the moons of your fingernail form in a triangle shape, usually caused by an improper manicure or another kind of trauma to the fingernail. |
| Colour | Red lunula can indicate a number of different conditions which may significantly affect your health. |
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What You'll Learn
- The half-moon shape at the base of your fingernail is called a lunula
- Pyramidal lunula occurs when the moons of your fingernail form a triangle shape
- Red lunula can indicate a number of different conditions which may significantly affect your health
- Not being able to see a half-moon on your nails may be a sign of a vitamin deficiency, vitiligo, kidney failure, or another health condition
- A nail that curves around an enlarged fingertip, known as clubbing, may suggest cardiovascular and pulmonary problems
The half-moon shape at the base of your fingernail is called a lunula
The lunula is the visible portion of the matrix, the pocket under the skin from which nails grow. The matrix helps make new cells, which then come together and push out of the skin. Sometimes, the lunula is simply not visible.
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Pyramidal lunula occurs when the moons of your fingernail form a triangle shape
The half-moon shape at the base of the fingernail is known as a lunula. The lunula is part of the nail matrix, which is the tissue just beneath the nail that contains nerves, lymph and blood vessels. It produces the cells that become the hardened nail plate. Although everyone has a nail matrix, not everyone will have a lunula on each nail.
If you are unable to see a lunula on your nails, this may be a sign of a vitamin deficiency, vitiligo, kidney failure or another health condition. However, sometimes the lunulae are simply not visible.
If you notice any changes to the lunula, it is important to tell your doctor.
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Red lunula can indicate a number of different conditions which may significantly affect your health
The half-moon shape at the base of your fingernail is known as a lunula. It is the visible portion of the matrix, the pocket under the skin where nails grow from. The lunula comprises the newest portion of the nail, so it can provide clues about a person's health.
Red lunula can appear in those with cardiovascular and pulmonary problems, gastrointestinal problems, vitamin deficiency, vitiligo, kidney failure or kidney disorders. In some cases, the lunula may be red due to trauma to the fingernail, such as an improper manicure. If this is the case, the moons may stay this way until the nail grows out and the tissue fully heals.
In most cases, having no moons on your fingers isn't a sign of something serious. Sometimes, the lunula is simply not visible, and may be hidden under your skin. Skin colour and other factors may make the lunula more or less visible.
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Not being able to see a half-moon on your nails may be a sign of a vitamin deficiency, vitiligo, kidney failure, or another health condition
The half-moon shape at the base of your fingernail is known as a lunula. This is the visible portion of the matrix, the pocket under the skin where nails grow. The lunula is made up of the newest portion of the nail, and can provide clues about a person's health.
Not being able to see a lunula on your nails may be a sign of a vitamin deficiency, vitiligo, kidney failure, or another health condition. However, it is important to note that sometimes the lunulae are simply not visible. Skin colour and other factors may make the lunulae more or less visible, and in some cases, you may only be able to see lunulae on your thumbs.
If you notice any changes to the lunula, it is important to tell your doctor. For example, if your lunula is red, this could indicate a number of different conditions which may significantly affect your health. Similarly, a nail that curves around an enlarged fingertip, known as clubbing, may suggest cardiovascular and pulmonary problems.
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A nail that curves around an enlarged fingertip, known as clubbing, may suggest cardiovascular and pulmonary problems
The half-moon shape at the base of your fingernail is known as a lunula. In many cases, this is not a cause for concern. However, if you notice any changes to it, it's important to tell your doctor. Not being able to see a lunula may be a sign of a vitamin deficiency, vitiligo, kidney failure, or another health condition.
If you notice a dark streak that runs the length of the nail, contact your doctor as it could be melanoma, the deadliest form of skin cancer. If your nails are decorated with an indented horizontal line, that could be a sign that you experienced a serious illness or sustained an injury or shock to your system that caused the nails to temporarily stop growing.
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Frequently asked questions
The half-moon shapes on your fingernails are called lunulae (singular: lunula).
Not being able to see a lunula on your fingernails may be a sign of a vitamin deficiency, vitiligo, kidney failure, or another health condition. However, sometimes the lunulae are simply not visible, and in most cases, having no moons on your fingers isn't a sign of something serious.
Red lunulae can indicate a number of different conditions that may significantly affect your health. These include Raynaud's disease, connective tissue disorders, and heart valve infections.
A triangular lunula, or pyramidal lunula, is most often caused by an improper manicure or another kind of trauma to the fingernail. The lunula will usually stay this way until the nail grows out and the tissue fully heals.
