Ava Monroe
Toenails are made of a tough, rigid protein called alpha-keratin, which is also found in the claws, hooves, and horns of vertebrates. The nail consists of the nail plate, the nail matrix, and the nail bed below it, and the grooves surrounding it. The nail matrix is the active tissue that generates cells, with about 90% of nail growth coming from it. The remaining 10% comes from the sterile matrix, which is responsible for keeping the nail attached to the underlying skin. Toenails are also more susceptible to certain issues, such as ingrown toenails, nail fungus, and other infections.
| Characteristics | Values |
|---|---|
| Parts of the nail | The nail itself, the underlying structure that supports nail growth, and the skin tissue that surrounds it |
| Nail growth | Nails are constantly growing, but their growth rate slows down due to poor circulation and aging |
| Average growth rate | A healthy person's fingernails grow about 3 to 3.5 millimeters per month, while toenails grow slower |
| Ingrown toenail | Occurs when the nail curves down and into the skin, causing pain and, sometimes, an infection |
| Nail injuries | Dropping something heavy on your toe or finger can injure your nail matrix |
| Nail infections | Toenail infections can be caused or worsened by dirty socks, specific types of aggressive exercise (long-distance running), tight footwear, and walking unprotected in an unclean environment |
| Nail matrix | The active tissue that generates cells, made of special cells that produce 196 layers that combine to form each nail |
| Hyponychium | The area between the free edge of the nail plate and the skin of the fingertip, which can sometimes grow out with the nail |
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What You'll Learn
Ingrown toenails
To prevent ingrown toenails, it is important to trim toenails straight across without tapering or rounding the corners. Nails should be cut to be even with the tips of the toes, not shorter. Wearing shoes that fit properly and provide adequate room for the toes is also important. Keeping the feet clean and dry, except when bathing or swimming, is recommended.
If an ingrown toenail occurs, it should be treated as soon as possible. Soaking the foot in warm water 3 to 4 times a day and keeping it dry for the rest of the day can help. Wearing comfortable shoes with room for the toes is advised. If the toenail becomes infected, with symptoms such as redness, swelling, pain, and discharge, a physician should be consulted. Treatment options may include oral antibiotics, partial or complete removal of the toenail, or surgery to eliminate the nail edge from growing inward.
In summary, ingrown toenails are a common condition caused by various factors, including incorrect toenail trimming and ill-fitting shoes. Prevention involves proper toenail trimming, wearing comfortable shoes, and keeping feet clean and dry. Treatment options range from home care to medical interventions, depending on the severity and presence of infection.
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Toenail injuries
Causes of Toenail Injuries
Signs and Symptoms of Toenail Injuries
Treatment and Management of Toenail Injuries
The treatment for a toenail injury depends on the severity and specific type of injury. Minor injuries can often be managed at home. If the nail is torn or jagged, trimming it can help prevent further snagging and injury. If the nail has lifted off the nail bed, it can be temporarily replaced and held in place with a bandage, although it will not reattach. It is important to keep the wound clean and protected while it heals.
For more severe injuries, especially those involving the nail matrix (the tissue inside the cuticle where new nail growth occurs), medical attention may be required. If blood under the nail covers more than half of the nail area, it is recommended to seek medical care to drain the blood and relieve pressure. This procedure, called nail trephination, should be performed within 48 hours of the injury. In some cases, the nail may need to be removed to repair deep tears with stitches.
To prevent toenail injuries, it is important to wear properly sized shoes that fit comfortably and do not cause rubbing or pressure on the toes. Keeping toenails trimmed can also reduce the risk of injury. For those prone to toenail trauma, silicone or gel toe caps can provide additional protection and help prevent blisters and irritation.
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Toenail infections
Toenails, like fingernails, are protective plates found at the tip of the digits of primates. They are made of a tough, rigid protein called alpha-keratin. Toenails grow from the nail matrix, which is the active tissue that generates new cells. The nail matrix is located beneath the nail bed and contains nerves, lymph, and blood vessels.
Fungal toenail infections can be treated with antifungal pills or creams, which can be bought over the counter or with a prescription from a doctor. It is important to note that antifungal tablets may not be suitable for individuals with liver or kidney disease, or those who are pregnant or breastfeeding. In some cases, badly infected nails may need to be removed.
Another type of toenail infection is a bacterial infection, also known as paronychia. This type of infection occurs in the skin around the toenail and is usually caused by bacteria. Bacterial infections can be treated with antibiotic creams or pills.
Ingrown toenails are also common and can be caused by cutting the nail too short or cutting the cuticle. Treatment for ingrown toenails typically involves lifting the nail and placing a piece of cotton or a splint underneath to help the nail grow away from the skin. If lifting is unsuccessful, a doctor may need to remove part or all of the affected nail.
It is important to maintain proper toenail hygiene and to trim toenails straight across to prevent ingrown toenails. Wearing shoes that fit properly and keeping your feet clean and dry can also help reduce the risk of toenail infections. For individuals with diabetes, regular check-ups with a podiatrist are recommended to detect infections early.
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Toenail growth rate
Toenails, much like fingernails, are made of a tough, rigid protein called alpha-keratin. This protein is also found in hair, claws, hooves, and horns of vertebrates. The nail consists of the nail plate, the nail matrix, and the nail bed below it, with the nail matrix being the active tissue that generates cells. The nail root, which is hidden under the cuticle, is where nail growth begins. As new nail cells are generated, they push out the old nail cells, which flatten and harden as they move outward from the nail root to the nail plate. The rate of nail growth varies between different fingers and toes, with toenails growing more slowly than fingernails.
Toenails typically grow at a rate of about 2.5 millimeters per month, or about one-tenth of an inch. This growth rate can be slower in older individuals due to poor circulation and aging. Additionally, certain health conditions and medications can affect toenail growth rate. For example, peripheral artery disease, which causes reduced blood flow to the legs and feet, can slow nail growth. Chemotherapy and other medications can also temporarily slow nail growth and cause changes in nail appearance, such as Beau's lines (horizontal ridges) or Mees' lines (white bands).
Injuries to the toenail matrix, such as dropping something heavy on the toe, can also affect nail growth. Minor injuries may cause temporary changes in nail appearance, such as bruising, ridges, or discoloration. More severe injuries may result in the nail falling off, but it will usually grow back once the nail matrix heals. However, in cases of severe nail matrix damage, the nail may not grow back completely.
Toenail growth can also be impacted by infections and skin conditions. For example, fungal infections, such as toenail fungus, can cause the nails to become thick, yellow, cracked, or cloudy. Additionally, severe eczema can affect the nail matrix and temporarily interfere with nail growth, resulting in Beau's lines, pitting, and texture or color changes.
To maintain healthy toenail growth, it is important to trim toenails regularly and properly. Toenails should be cut straight across to help prevent ingrown toenails, which occur when the nail curves down and into the skin. Maintaining proper foot hygiene and wearing clean, comfortable footwear can also help prevent toenail infections, which can impact nail growth.
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Toenail structure
Toenails are protective plates found at the tip of the toes, corresponding to the claws in other animals. They are made of a tough rigid protein called alpha-keratin, a polymer also found in the claws, hooves, and horns of vertebrates.
The nail consists of the nail plate, the nail matrix, and the nail bed below it, and the grooves surrounding it. The nail plate, sometimes referred to as the nail body, is the visible hard nail area from the nail root to the free edge, made of translucent keratin protein. Several layers of dead, compacted cells cause the nail to be strong but flexible. Its transverse shape is determined by the form of the underlying bone.
The nail matrix is the active tissue (or germinal matrix) that generates cells. The cells harden as they move outward from the nail root to the nail plate. The nail matrix is also known as the matrix unguis, keratogenous membrane, or onychostroma. It is the part of the nail bed that is beneath the nail and contains nerves, lymph, and blood vessels. The matrix produces cells that become the nail plate. The nail matrix is made of special cells whose main job is to make new toenails. Each nail matrix produces 196 layers of cells that combine to make each toenail. Each nail matrix is constantly making new nail cells, unlike hair follicles, which go through periods of rest.
The nail bed is the area under the nail plate. The nail adheres to the toe here. The lunula is the white, half-moon-shaped area at the base of the nail. The sterile matrix is the area of the nail above the lunula.
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Frequently asked questions
Ingrown toenails occur when the edges or corners of a nail grow into the skin next to it, causing tenderness, redness, and even bleeding. This can be prevented by keeping your feet clean and dry, and trimming your nails frequently.
Treatment options depend on the severity of the condition. In the acute stage, corticosteroids are applied to or injected into the nail. In the chronic stage, the nail is removed.
Toenails that grow into the skin can lead to nail infections, such as paronychia, a skin infection that occurs at the site of the paronychium, which is the skin that overlaps onto the sides of the nail plate.
