What are nails used for anatomy?
Function. A healthy fingernail has the function of protecting the distal phalanx, the fingertip, and the surrounding soft tissues from injuries. It also serves to enhance precise delicate movements of the distal digits through counter-pressure exerted on the pulp of the finger.
What’s the skin under your nail called?
The hyponychium is the skin just under the free edge of your nail. It’s located just beyond the distal end of your nail bed, near your fingertip. As a barrier from germs and debris, the hyponychium stops external substances from getting under your nail.
What is the function of eponychium?
It can also be called the medial or proximal nail fold. The eponychium differs from the cuticle; the eponychium comprises live skin cells whilst the cuticle is dead skin cells. Its function is to protect the area between the nail and epidermis from exposure to bacteria.
What is the most functional part of your nail?
The matrix is supplied by numerous blood vessels and nerves which provide the nourishment necessary for the production and growth of nail tissue. This is the most sensitive part of the whole nail structure and can easily be damaged through mistreatment.
What are the 7 structures of nails?
The attached figure depicts the gross structures described below.
- Nail Folds. The nail folds are soft tissue structures that protect the lateral and proximal edges of the nail plate.
- Mantle.
- Cuticle.
- Nail Matrix.
- Nail Plate.
- Nail Bed.
- Hyponychium.
- Onychodermal Band.
What do you call the study of the nail?
Onychology. The study of nails.
What is the difference between hyponychium and eponychium?
The skin proximal to the nail that covers the nail fold is the eponychium. The tissue distal to the eponychium in contact with the nail represents the cuticle. A junction is formed between the sterile matrix and the fingertip skin beneath the nail margin. This area is referred to as the hyponychium.
What are the 7 structures of nail?
What is Mantle in nail?
The mantle is the skin covering the matrix and base of the nail plate. Cuticle. The cuticle (also known as the eponychium) grows from the proximal nail bed and adheres to the nail plate. Together, the proximal nail fold and cuticle form a protective seal against any irritants that may disrupt the matrix underneath.[1]
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