Anatomy of Nail

The area where the nail plate cells are formed is known as the __________.

• nail bed

• bed epithelium

• matrix

• onyx

The slightly thickened layer of skin under the nail that lies between the fingertip and free edge of the natural nail plate is the __________.

• eponychium

• perionychium

• hyponychium

• bed epithelium

__________ is the tissue bordering the root and sides of a fingernail or toenail.

• Perionychium

• Hyponychium

• Bed epithelium

• Eponychium

The whitish, half-moon shape at the base of the nail is known as the __________.

• free edge

• bed epithelium

• eponychium

• lunula

The end portion of the nail plate that reaches over the fingertip is called the _________.

• free edge

• nail root

• nail extension

• nail fold

The hardened keratin structure covering the nail bed is the __________.

• nail extension

• lunula

• nail plate

• matrix

nail matrix

Tags

NGSS.HS-LS1-4

nail root

eponychium

lunula