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 …

What are the 3 parts to the nail?

A nail has three main parts: the root, plate, and free margin. Other structures around or under the nail include the nail bed, cuticle, and nail fold. Nails grow from a deep layer of living epidermal tissue, known as the nail matrix, at the proximal end of the nail. The nail matrix surrounds the nail root.

What are the 9 parts of the nail unit?

Name the basic parts of the nail unit. Nail plate, nail bed, matrix, cuticle, eponychium, perionychium, hyponychium, specialized ligaments, nail folds.

Are the 7 structures of nail?

The structures that define and produce the nail (nail plate) include the matrix (sterile and germinal), the proximal nail fold, the eponychium, the paronychium, and the hyponychium (see the images below).

What are the five parts of nail?

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 …

What are the 5 stages of nail growth?

• Cells divide in the Matrix. …
• New cells are pushed forward by constant cell reproduction.
• Cells undergo hardening, this is also known as Keratinisation.
• The growing nail is guided along the Nail Grooves and Side Walls.
• The Free Edge is formed away from the finger.

How many parts do your nail have?

Nail Structure. The nail structure is divided into six parts: root, nail bed, nail plate, eponychium, paronychium, and hyponychium. Each of these six components has a specific function, and if a component of the nail structure is disrupted, the nail can look abnormal.

What are the nail folds?

The nail fold is the tissue that encloses the nail matrix at the root of the nail. It attaches the nail to the rest of the skin through the protective cuticle. Paronychia is a common infection that afflicts the skin around the nails.

What are the shapes of nails?

The main seven types of nail shapes you can opt for are: oval, almond, square, squoval, coffin (also known as ballerina), stiletto (or pointed nails) and that old friend, round.

What is the top part of your nail called?

If you look at the top of the nail, you’re looking at the nail plate. Underneath the nail plate is the nail bed. The nail bed is where the nail adheres to the finger.

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What is a nail groove?

The indentation between the edges of the nail plate and the skin.

What is the process of the nail growth?

Nails grow by a process of extrusion. … The cells meet resistance as they emerge and join the established nail plate, growing flatter and longer. The keratin protein in these cells grows harder, and beyond a certain point, they are no longer living cells with nuclei, just hardened structures.

What is the Eponychium?

the modified outer layer of the epidermis that partially covers the fetal fingernails and toenails and that persists after birth as the cuticle. Anatomy.

What is a mantle nail?

Mantle:- Nail Mantle is the fold of skin in front of the cuticle. It protects the matrix. … Free edge:- The free edge of the nail is the white portion of the nail that grows out from the finger or toe and consists dead cells and keratin.

What is a hangnail?

A hangnail is a piece of skin near the root of the nail that appears jagged and torn. Hangnails generally appear on the fingers and not on the toes, though it’s possible to have one around a toenail. A hangnail isn’t the same condition as an infected or ingrown nail.

What is the growing part of nail?

Growth. The growing part of the nail is under the skin at the nail’s proximal end under the epidermis, which is the only living part of a nail. In mammals, the growth rate of nails is related to the length of the terminal phalanges (outermost finger bones).

Why do nails turn yellow?

Yellowing of the nail can indicate a fungal infection of the nail, more commonly seen in toenails than fingernails. The discoloration becomes worse with tight-fitting shoes or trauma to the nail plates and can be associated with athlete’s foot, as well. The most common fungal infection is from the Trichophyton family.

Why do nails appear pink?

When cells at the root of the nail grow, the new nail cells push out the old nail cells. These old cells flatten and harden, thanks to keratin, a protein made by these cells. … The nail bed sits on top of tiny blood vessels that feed it and give your nails their pink color.

Is eponychium and cuticle the same?

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's the difference between the cuticle and eponychium?

So what is then the difference with the Eponychium and the cuticle?! Eponychium: is the skin, the living tissue. … Cuticle: is non living tissue that is attached directly to the nail plate.

What is on the ventral side of the nail bed epithelium?

On the ventral side of the proximal nail fold is the eponychium, which creates the cuticle.

What is the free edge?

free edge (plural free edges) (cosmetics) The part of a nail, such as a fingernail or toenail, that extends past the flesh of the finger or toe.

What is the cause of blue nails?

Blue fingernails are caused by a low level or lack of oxygen circulating in your red blood cells. This condition is known as cyanosis. It occurs when there isn’t enough oxygen in your blood, making the skin or membrane below the skin turn a purplish-blue color.

What is a nail wall?

n. A fold of hard skin overlapping the base and sides of a fingernail or toenail.