How come when nail grow, the flesh under them doesn’t come forward along with the nail as it grows?

Question

Nails have a fleshy bottom layer attached to them that somehow doesn’t come forward with the nail as it grows, why is that?

In: Biology

Answer 1

My fleshy bottom layer does grow with my nail, actually…but I have a condition called subungual hyperkeratosis. I have to cut off a bunch of skin every time I cut my nails, and if I’m not careful I can hurt myself.