Nail

Question 1

Matrix

Answer 1

Sometimes known as the root, the matrix is where cells diverse called mitosis. It is the growing area of the nail plate. It is found under the eponichium at the base of the nail plate

Question 2

Nail Plate

Answer 2

The nail plate is made of hard keratinised epidermal cells. The nail cells are packed very close together with some fat and moisture and this forms the main body. The water content affects the brittleness of the nail plate

Question 3

Free Edge

Answer 3

The nail plate grows forward over the nail bed until it extends beyond the fingertip and is known as the free edge. It forms an attachment to the nail bed by its longitude and furrows. It appears white

Question 4

Nail Bed

Answer 4

Had grooves and furrows which provide a good interlocking grooves with the nail plate. There is blood supply to the nail bed

Question 5

Lanula

Answer 5

Found at the base of the nail, covering the matrix. Often known as the half moon

Question 6

Cuticle

Answer 6

Overlapping stratum corneum around the base of the nail developed from the epidermis

Question 7

Nail Groove

Answer 7

These run along side the edge of the nail plate to allow the nail plate to move forward

Question 8

Nail Wall

Answer 8

Folds of skin overlapping the sides of the nails

Question 9

Perionychium

Answer 9

Cuticle at the sides of the nail

Question 10

Eponychium

Answer 10

Extension of the cuticle at the base of the nail plate

Question 11

Hyphonychium

Answer 11

Part of the epidermis under the free edge