Final answer:
It may take approximately 6 months for a fingernail to regrow and about 12 to 18 months for a toenail to do so. Growth rates can vary based on individual factors like age and nutrition.
Step-by-step explanation:
When a nail plate or nail body is lost or removed, it grows back from a layer of living epidermal tissues known as the nail matrix. This growth happens because stem cells in the nail matrix continuously divide, starting from the nail root and expanding into the fully formed nail plate. The visible part of the nail, called the nail plate, is made up of densely packed dead keratinocytes.Fingernails grow faster than toenails, and this growth can be influenced by various factors such as age, sex, and even the season. On average, it may take about 6 months for fingernails to completely regrow, while toenails can take approximately 12 to 18 months. The exact rate, however, can vary depending on individual health and nutritional status.
The nail bed plays a crucial role in nail health and is the platform upon which the nail body forms. It is enriched with blood vessels, contributing to its pink appearance, except at the lunula. The nail body serves an important function, protecting the tips of the fingers and toes and aiding in picking up small objects.Nails grow from a deep layer of living epidermal tissues called the nail matrix. The nail matrix contains stem cells that keep dividing to allow nail growth. When a nail plate or nail body is lost or removed, it takes about 6 months for a new one to fully grow. However, the rate of nail growth can vary depending on factors such as age, sex, and season.