Question

An infant was born with facial nerve paralysis that occurred with delivery. As the infant ages, it becomes apparent that the facial muscles affected by the nerve damage are not moving. Seeking surgical repair, the family asks why the damage to the child's face is not being repaired by the body. The health care provider states that neurons (connected to the facial muscles) are highly specialized cells that

Answer 1

That lose their ability to proliferate once development of the nervous system is complete.