Vocab
What is the part of the nail that is mainly made up of keratin and that is the most visible part of the nail unit?
Nail plate
The nail is composed of 20 to 25% water.
False
Where is the Cuticle?
Between the PNF and the nail plate.
Portion of the living skin that supports the nail plate as it grows toward the free edge.
Nail Plate
What is the technical term for the nails of the fingers and toes?
Onyx
The nail plate has 100 layers of nail cell layers.
True
Where is the Nail plate?
Sits on top of the Nail bed
All parts of the finger from the tip to the first knuckle, technically referred to as the onyx, are composed mainly of keratin.
Natral Nail Unit
Part of the nail plate that extends over the tip of the finger or toe.
Free edge
Toenails grow faster than fingernails.
False
Where is the Hyponychium?
Layer between the fingertip and the free edge.
Grooves on the side of the nail.
Nail groove
Collectively, the nail bed, nail fold, eponychium, paronychium, and hyponychium.
Perionychium
The nail plate's growth is affected by water intake and age.
False
Where is the Eponychium?
Underneath the PNF is found at the nail plate's base, covering the matrix area.
Also known as the sidewall, the folds of the skin that line the sides of the nail plate.
Lateral nail fold
Abbreviated PNF; entire flap of the skin covering the matrix, extending from the edge of the visible nail plate to the first joint of the finger or toe.
Prox. Nail fold
There is a ligament located at the matrix and around the edge of the nail bed.
True
Where is the Distal phalanx?
Your fingertip/bone
The thin layer of nerves between the nail plate and the nail bed.
Bed Epithelium