Nail Bed Anatomy

A fingernail is produced by living skin cells in the finger. There is the cuticle which holds the nail to the finger. Root nail bed nail plate eponychium paronychium and hyponychium.

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The nail structure is divided into six parts.

Nail bed anatomy. A set of ridges on the underside of the nail plate extend to the lunula with the small vessels transporting blood and other fluids being orientated on the same axis. A fingernail consists of several parts including the nail plate the visible part of the nail the nail bed the skin beneath the nail plate the cuticle the tissue that overlaps the plate and rims the base of the nail the nail folds the skin folds that frame and support the nail on three sides the lunula the. To understand what a nail bed is it is best to first have an idea of the function and anatomy of the entire nail.

Regarding the nail s anatomy. Nail bed anatomy figure 1. The nail plate which is the main part of the nail.

5 6 nail bed anatomy is depicted in the images below. The white half moon cells at the nail s base. The nail bed is part of the nail matrix called the sterile matrix.

It extends from the edge of the germinal matrix or lunula to the hyponychium the portion of the epidermis under the free edge of the nail. The nail bed extends from the lunula to the hyponychium. The matrix sometimes called the matrix unguis keratogenous membrane nail matrix or onychostroma is the tissue or germinal matrix which the nail protects.

Other key elements of the nail include. The nail is made up of a number of parts. Each of these six components has a specific function and if a component of the nail structure is disrupted the nail can look abnormal.

And the generally crescent shaped lunula or nail root located near the cuticle. The nail bed is where the nail adheres to the finger. It is the part of the nail bed that is beneath the nail and contains nerves lymph and blood vessels.

The nail bed contains blood vessels nerves and melanocytes or melanin producing cells. The nail consists of the nail plate the nail matrix and the nail bed below it and the grooves surrounding it. The epidermis of the nail bed is mainly thick and becomes thicker at the nail folds.

Injury to the germinal matrix may lead to permanent nail loss. Parts of the nail.

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