What does the meniscus on the nail mean?

Is the half-moon mark actually a part of the nail bed that grows to the bottom of the methyl group, or does it keep growing nails? Bed? It provides nutrients for nail growth and belongs to connective tissue. The less half-moon marks, the worse energy, the colder constitution and the weaker immunity. Chinese medicine says that yang deficiency leads to internal cold, that is, people are cold and their hands and feet are particularly afraid of cold. No half-moon mark does not mean that there is a disease. It's enough to strengthen diet and nutrition, exercise more and strengthen physical fitness.