The human body is an interesting thing, and our nails are no exception. They are made up of several different parts, each of which plays an important role in maintaining the health of your nails. So, what are the parts of the nail?
While the nails look simple on the outer part, it encompasses a lot of fascinating parts such as cuticles, nail bed, nail plate, and others. And each of these parts has its specific function in helping keep the nails healthy and strong.
In this blog post, you will discover the different parts of the nails and their functions. You will also discover how to care for your nails properly.
So, if you are thrilled to learn more about the anatomy of your nails, you should read on.
The Parts Of The Nail
Below are the parts of the nail;
1. Nail plate
The nail plate is the most popular part of the nail. It’s commonly referred to as the nail itself. It’s the visible hard surface that covers the fingertip. The nail plate is composed of keratin, a protein that also forms the basis of our hair and skin. The nail plate is considered the protective shield that safeguards your sensitive fingertip underneath.
Functions of Nail plate
- The nail bed serves as a hard barrier that helps in shielding your fingertips from external impacts.
- It also helps in providing structural support to your fingertip, thus helping you execute your daily activities and preventing damage.
- Furthermore, the textured surface of the nail plate helps to improve your grip and manipulation of objects.
2. Nail bed
Under the nail plate lies the nail bed, which is rich in blood vessels and nerve endings. It supports the nail plate and plays a significant role in nail growth. You probably have noticed a pinkish color on your nail plate, right? Well, that’s due to the blood vessels under the nail bed.
Functions of Nail bed
- The nail bed helps support and guide the growth of the nail plate from the base to the fingertip.
- The nail bed is rich in blood vessels, thus helping supply nutrients and oxygen to the growing nail cells. This aids in promoting healthy nail growth.
- The nerve endings in the nail bed contribute to our sense of touch and awareness of our surroundings.
3. Lunula
The lunula, often called the “half-moon,” is a pale, semilunar area located at the base of the nail. It is the visible part of the nail matrix and is responsible for producing new nail cells. The lunula is an important aspect of nail growth and health.
Functions of Lunula
- It serves as a nail growth indicator. This is because the lunula’s size and appearance can help give you insights into your overall nail health and growth rates.
- The lunula also helps cover and protect your delicate nail matrix, thereby helping in preventing damage and infection.
- It also supports nutrient exchange. The blood vessels under the lunula help in the exchange of nutrients and waste products, thereby supporting nail growth.
4. Cuticle
The cuticle, also referred to as the eponychium, is a thin layer of tissue that protects the base of the nail plate and protects the nail matrix from external damage and infection. Therefore, you should ensure to maintain healthy cuticles for your overall nail health.
Functions of Nail cuticles
- The cuticles help to keep dirt and bacteria out of the nail bed. It also serves as a protective barrier that prevents harmful bacteria, debris, and dirt from entering the area where the nail plate and skin meet.
- The cuticle helps in sealing the nail matrix, thereby reducing the risk of infection and inflammation.
- The cuticle helps to retain moisture, promotes flexibility, and prevents nail brittleness.
5. Nail matrix
The nail matrix is the tissue located under the lunula, at the base of the nail where new cells are produced. It actually contains cells that divide and multiply, thereby helping in nail growth. These cells harden as they move toward the fingertip, forming the nail plate.
Functions of the nail matrix
- The nail matrix helps in nail cell production by generating new nail cells that contribute to the growth and extension of the nail plate.
- Healthy nail matrix cells lead to the formation of a strong, durable nail plate.
- The matrix continually generates new cells to replace those that are naturally cleared at the free edge of the nail.
6. Nail folds
Nail folds are the skin that surrounds the sides of the nail plate. They aid in keeping the nail in place and protecting the delicate tissue around your nails. The nail folds also play a role in preventing debris and dirt from getting under your nails.
Functions of Nail folds
- The nail folds help provide stability to the nails by keeping the nail plate securely in place. Thereby preventing it from shifting or moving excessively.
- Nail folds shield the surrounding tissue from potential damage and infections.
- The nail folds fit closely to the sides of the nail, thereby helping to prevent dirt, bacteria, and debris from getting under your nail.
7. Hyponychium
This is the area located at the end of your fingertip, just below the free edge of the nail. It is a thickened layer of skin that acts as a barrier, thereby preventing debris and bacteria from getting under the nail and causing infection.
Functions of the Hyponychium
- The hyponychium acts as a barrier against external particles and microorganisms. It prevents them from gaining access under your nails.
- The hyponychium also supports the nail plate’s free edge and maintains your nail’s entire structure.
- Furthermore, the hyponychium performs sensory functions. This implies that the hyponychium contains nerve endings that contribute to your sense of touch, enhancing your tactile perception.
Frequently Asked Questions
How many layers does a nail plate have?
The nail plate has three distinct layers. These layers are called the dorsal, intermediate, and ventral nail plates.
What part of the nail is the cuticle?
The cuticle is a thin layer of dead skin situated at the nail bed.
What is the white part of the nail called?
The white part of the nail is referred to as the lunula. It is usually crescent-shaped and located at the bed of a nail.
Final Words
Knowing the various parts of the nail will allow you to appreciate the complexity of the seemingly simple structure of the nail.
The nails serve both functional and aesthetic purposes, and each part plays a role in maintaining their health and appearance. By taking good care of your nails and practicing good nail hygiene, you can ensure to keep enjoying these essential features.
Read more; https://www.ncbi.nlm.nih.gov/books/NBK534769/
