Question

multiple choice question
nails are derived from the same type of cells that produce the stratum ______ layer of the epidermis.
o basale
o integumentary
o sebaceous
o corneum

Explanation:

Nails are made of keratin - rich cells. The stratum corneum of the epidermis is also composed of keratinized cells. Cells that produce the stratum corneum are the same type that contribute to nail formation.

Answer:

D. corneum