Skin That Grows Up Over a Fingernail or Toenail
Puzzle 2 of Noisy Things Piece of Cake Pack
Question is: Skin That Grows Up Over a Fingernail or Toenail
and the answer is: CUTICLE
Word Meaning:
CUTICLE — The outermost layer of the skin of vertebrates; the epidermis.
Definitions from Wiktionary.