Nail Structure Flashcards
onyx
term for nail
onychology
study of the nail
mantle
holds root and matrix
matrix
mother of nail, generates cells, contains lymph blood vessels and nerves
nail root
attached to matrix under skin
nail bed
where nail body rests, nerves and blood vessels
nail plate
nail body, nail root to free edge
lunula
half moon, visible part of matrix
eponychium
live tissue at base of nail
cuticle
overlapping dead tissue
nail grooves
tracks on side of nail, nail moves on it as it grows
side walls
folds of skin on side of nail grove
perionychium
living tissue on sides of nail
free edge
extends beyond finger
hyponychium
living tissue under free edge
average nail growth
1/8 in per month
new nail growth
4-6 month
new toe nail growth
12-18 months