Which of the following statements best describes what fingernails actually are?
A) Fingernails are a modification of the epidermis.
B) Fingernails are derived from osseous tissue.
C) Fingernails are extensions of the carpal bones.
D) Fingernails are a separate tissue from the skin, formed from a different embryonic layer.
Answer: A) Fingernails are a modification of the epidermis.