If we make skin and muscle cells when we heal cuts and heal/generate bones after breaking them, why wouldn’t we be able to grow a finger if one is cut off?

Question

If we make skin and muscle cells when we heal cuts and heal/generate bones after breaking them, why wouldn’t we be able to grow a finger if one is cut off?

In: 7967

Answer 1

The joint is the hardest part, we can regenerate(with some medical assistance) a finger up to the first joint.