Nails are one of the appendages of the skin. Has its specific function. First of all, it has the function of "shield", which can protect the pulp of the distal phalanx from damage, maintain its stability, enhance the sensitivity of finger touch, and assist hands to grasp, hold, pinch and squeeze.
The nail bed is rich in blood supply and has the function of regulating peripheral blood supply and body temperature. Secondly, nails are the focus of hand beauty, and beautiful nails add charm to women.
Extended data
Nails and health
There are many reasons that affect the appearance and texture of nails, and external factors such as smoking will also affect nails. In addition, if you work in a place where chemicals need to be handled, it will cause some reactions to employees' nails. Here are some common symptoms and precautions:
1, punctate depression
Normal nail surfaces are smooth. If there are some small punctate depressions on the nail surface, it means that you may have some skin diseases, including psoriasis and hair loss.
Psoriasis is an inflammatory skin disease, which is mainly characterized by redness of the skin and repeated appearance of multiple layers of silver-white dry scales, affecting the skin cells at the root of nails. Therefore, the nail surface growth of psoriasis patients will not be very smooth, but there will be some punctate depressions.
2. Pale nails
If the nail looks particularly pale, it means that it is shallower than other parts of the skin, which is a dangerous signal. Light nails may indicate some very serious health problems, including liver disease, anemia and even heart disease.
Step 3 stick fingers
Clubbed finger is also called mallet finger, that is, the finger looks like a wooden stick, and the end of the finger is swollen. Most of them are caused by hypoxia, metabolic disorder and fingertip tissue hyperplasia caused by poisoning. Pub bar refers to a slow process that has happened for many years. This may be a sign of kidney or liver disease or even AIDS.
4. Yellow nails
Healthy nails and nail beds should be shiny and pink. If the nail color turns yellow, it can be a signal of many diseases. The macula on the nail indicates fungal infection. It can be treated with medicine from the drugstore. It could be worse. If the nail breaks and cracks, it may mean that there is something wrong with the lungs or liver, or even the thyroid gland.
5. spoon nail
Healthy nails have a specific shape: the middle part is convex and the edge is bent downward. If you find that your nails are just the opposite in shape, the middle of the nails is sunken and the edges are inclined, it can be regarded as an abnormal phenomenon. This kind of nail is called spoon finger, which is a symptom of iron deficiency anemia. This may indicate that you need more iron in your diet, or that you have heart disease.
6. Ridge line
If there are ribs on the nails, it is more worrying, which may be related to certain drugs or reactions caused by drugs. Some doctors think that this shows that your body is diverting resources to fight some serious health problems, and leaving this tattoo is a signal.
7. Dark stripes or stripes
This is a very serious sign that melanoma or skin cancer is developing on or around the nail bed. If you start to see black stripes, don't ignore them; Be sure to go to the hospital.
These are just a few things that are bothering you. Obviously, there will be other worrying things. What you notice may be due to trauma or other less serious reasons. Don't underestimate the health of nails. Nails are a symptom of other serious problems. As long as you pay a little attention every day, you can find it early.
People's Network-Seven changes in nails suggest these diseases! Early detection and early treatment