Nail structure and growth

What includes all parts of the finger from the tip to the first knuckle?

• Onyx

• Perionchium

• Natural Nail Unit

• Bed Epithelium

The natural nail is technically referred to as the….

The natural nail is composed mainly of…

Select all options that are part of the perionychium

• Nail bed

• Hyponychium

• Nail fold

• Eponychium

• Paronychium

Also known as the sidewall, this is the skin fold overlapping the nail’s side.

• Nail groove

• Lateral nail fold

• Proximal nail fold

• Matrix

This is the living skin underneath the PNF found at the nail plate’s base covering the matrix area

• Eponychium

• Hyponychium

• Paronychium

• Bed epithelium

Also known as the sterile matrix, this is the portion of living skin that supports the nail plate as it grows toward the free edge

• Nail plate

• Matrix

• Lunula

• Nail bed

This is where the nail plate cells are formed and extends from under the nail fold at the nail plate’s base

• Nail plate

• Matrix

• Lunula

• Nail bed

This is the visible part of the matrix that extends from underneath the living skin

• Nail plate

• Matrix

• Lunula

• Nail bed

This is the hardened keratin plate that sits on top of the nail bed

• Nail plate

• Matrix

• Lunula

• Nail bed