Nail Structure

Free edge – This part of the nail extends over the flesh of the finger or toe and appears white.

Hyponychium – The hyponychium is a bed of soft tissue that lies just under the free portion of the nail at the end of the finger.

Nail plate – It is the actual fingernail that is made of translucent keratin protein composed of amino acids.

Nail wall – This is the fold of skin that over laps lateral and proximal margins of the nail.

Eponychium –Is the tiny epithelium band that stretches onto the nail base from the posterior section of the nail. It is actually the terminal point of the proximal fold that rolls back to cast off an epidermal skin layer over a nail plate that has been formed freshly.

Lunula – is the crescent-shaped white area of the bed of the finger nail or toe nail. The lunula is the visible part of the root of the nail.

Nail Matrix – also known as the nail root Is the formation of the cellular layer that is present at the base of the nail of the toe or finger.

Nail Bed – The portion of skin which supports the nail plate. To ensure the nail is healthy it has a very rich supply of blood and lymph vessels.

Mantle –  Also known as the nail fold at the nail root.  It is made up of soft tissue to protect the lateral edges of the nail.

Cuticle – The dead skin at the base of the finger nail or toe nail.