Chapt 8 Flashcards
Bed epithelium
A thin layer of tissue between the Nail plate and the nail bed
Cuticle
The dead colorless tissue attached to the nail plate
Eponychium
Living skin at the base of the nail plate and covering the matrix area
Free edge
The part of the nail plate that extents over the tip of the finger or toe
Hyponychium
Slightly thickened layer of skin that lies between the fingertip and free edge of the nail plate. It forms a protective barrier that prevents microorganism from invading and injecting the nail bed
Lateral nail fold
Folds of normal skin that like the sides of the nail plate
Ligament
A tough band of fibrous tissue that connects bones or holds an organ in place
Lunula
Writing half moon shape under neath the base of the nail plate caused by the reflection of light off the surface of the matrix
Matrix
An area where the nail plate cells are formed. This area is composed of matrix cells that make up the nail plate
Nail bed
Portion of the living skin that supports the nail plate as it grows toward the free edge
Nail folds
The folds of normal skin that surround the nail plate
Nail groove
A slit or furrow on the side of the nail
Nail plate
A hardened keratin plate that sits on and slowly slides across the nail bed while it grows. The most visible and functional part of the nail unit
Nail unit
All the anatomical parts of the fingernail necessary to produce the natural nail plate
Natural nail
The hard protective plate located at the end of the finger or toe
