How come if your fingers are paralyzed or have nerve damage, they don’t prune, (wrinkle) and why do only our finger tips and toes prune?

Question

How come if your fingers are paralyzed or have nerve damage, they don’t prune, (wrinkle) and why do only our finger tips and toes prune?

In: Biology

Answer 1

Fingertips and toetips become wrinkly when wet for long periods of time so that we can get a grip and don’t slip on smooth surfaces.