Accessory Structures of the Skin

Nail

Made up of flattened structures of horny or cornified texture 

Nail bed

Thin, non-cornified epithelium on which the nail plate lies

Matrix

• Proximal, thicker part of the nail bed

•  Responsible for nail growth 

Lunula

Near the root of the nail, the nail bed is less vascular and nail not firmly adhered to the connective tissue stratum. Portion of a whiter color and called the on account of its shape