5 Flashcards
Nail plate
Hard karatin plate on top of and slowly sliding across the nail bed as it grows; the most visible and functional part of the nail unit
Bed epithelium
Thin layer of tissue between the nail plate and the nail bed
Hyponychium
Slightly thickened layer of skin that lies between the fingertip and green edge of the nail plate forming a protective barrier that prevents microorganisms from invading and infecting the nail bed
Onyx
Technical term for nail of the fingers or toes
Lateral nail fold
Also known as the sidewall; folds of the skin that line the sides of the nail plate.
Matrix
area where the nail plate cells are formed. Composed of matrix cells that produce the mail plate
Cuticle
No living colorless tissue attatched to the nail plate
Nail folds
Folds of skin that surround the nail plate
Lunula
Visible part of the matrix that extends from underneath the living skin; whiteish half moon shape at the base of the nail
Nail bed
portion of living skin that supports the nail plate as it grows towards the free edge
Eponychium
Living skin underneath the PNF found at the nail plate’s base covering the matrix area
Proximal nail fold
PNF; entire flap of skin covering the matrix extending from the top of nail plate to the first joint of the finger or toe
Perionychium
Collectively. The nail bed. Nail fold. Eponychium. Paronyicium. And hyponychium.
Free edge
Part of the nail plate that extends over the tip of the finger or toe
Nail Groove
Slit or furrow on the side of the nail
