Cos Sci: Vocab Chpt 09

Front

bed epithelium

Back

Thin layer of tissue that attaches the nail plate and the nail bed

Front

cuticle

Back

Dead, colorless tissue attached to the natural nail plate

Front

eponychium

Back

Living skin at the base of the nail plate covering the matrix area

Front

free edge

Back

Part of the nail plate that extends over the tip of the finger or toe

Front

hyponychium

Back

Slightly thickened layer of skin under the nail that lies between the fingertip and free edge of the nail plate

Front

ligament

Back

Tough band of fibrous tissue that connects bones or holds on organ in place

Front

lunula

Back

Visible part of the matrix that extends from underneath the living skin; whitish, half-moon shape at the base of the nail

Front

matrix

Back

Area where the nail plate cells are formed; composed of matrix cells that produce the nail plate

Front

nail bed

Back

Portion of the living skin that supports the nail plate as it grows toward the free edge

Front

nail folds

Back

Folds of normal skin that surrounds the nail plate