Apendages Nail Plate

Question 1

Nail plate

Answer 1

The actual rows of dead highly keritanised stratum corneum cells;essentially pure keratin

Question 2

Underneath nail plate is nail bed

Answer 2

Living keratinocytes underneath the nail plate -don’t make much keratin and never slough since they are covered with nail plates

Question 3

Free edge

Answer 3

Part of the nail that grows past the nail bed and the part we clip

Question 4

The hyponychium

Answer 4

is the thickened layer of skin located underneath the free edge of the nail (the part of the nail that extends beyond the fingertip).

Acts as a Seal – Prevents dirt, bacteria, and fungi from getting under the nail and into the nail bed.
Provides Protection – Helps support the nail as it grows and protects the sensitive skin underneath.

Question 5

Mail matrix

Answer 5

Epidermal stratum bassale cells that produce the highly keritonised cells of the nail plate

Question 6

The lunula

Answer 6

is the half-moon-shaped, whitish area at the base of the nail, near the cuticle.

Part of the Nail Matrix – The lunula is the visible portion of the nail matrix, where new nail cells are actively produced.
Indicates Nail Health – A visible lunula is generally a sign of healthy nail growth. If it’s missing or very small, it could be due to genetics or health conditions.
Covers the Nail Matrix – Protects the growing area of the nail from damage.

Question 7

Eponychium

Answer 7

Delicate skin that produces the cuticle and help seal the space between mail matrix and nail plate

Question 8

Cuticle

Answer 8

Stratum corneum cells that seal the nail matrix may accumulate on nail plate