Healthy nails are smooth, shiny, and translucent pink colored. They also have a normal growth pattern. Unhealthy nails can have disorders and result in abnormal growth.
The technical term for nail is “onyx”. Nails are considered part of the skin; they are made up of keratin, like the skin and hair. But nails are a harder form of keratin than skin and hair. They help to protect and grasp.
The average rate of growth for adult nails is 1/8” per month. Toenails grow even slower. Nails can replace themselves within 3-4 months. They do grow quicker in the summer than the winter. The nail on the middle finger grows the fastest, and the nail on the thumb the slowest.
Parts of the Fingernail:
- Nail Plate: Main part of the nail that is attached to the skin at the top layer of the finger. Although it looks like one piece, it is actually formed in layers.
- Nail Root: This is where the nail growth begins. It is embedded under the skin at the base of the nail.