Nails Anatomy

Nail plate
Body of the nail

Free edge
Nail extended beyond the fingertip

Nail root
Portion of the nail hidden under a fold of skin (mantle)

Mantle
Fold of skin that holds the nail root and the matrix

Nail bed
skin where nail plate rest

Epithelium
Skin cells between nail bed and nail plate

Cuticle
Skin over the base of the nail plate

Lunula
White Half moon at the base of nail plate

Matrix
Part of the nail bed that helps produce the nail/ located underneath the nail root

Nail walls
Skin beside the nail grooves

Nail grooves
Tracks for nail to move when growing

Eponychium
additional cuticle that overlap the base of the nail plate

Perionychium
Additional skin or cuticle that overlap the sides of nail plate along the nail walls

Hyponychium
Skin that is attached to the underside of the free edge

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