The PNS axons of lower vertebrates
A) can regenerate, but they do so inaccurately.
B) can regenerate accurately only if they grow into Schwann-cell sheaths.
C) are usually unmyelinated.
D) can regenerate accurately even when they do not grow back through their original Schwann-cell sheaths.
E) cannot regenerate.

Question

Quizplus · Accepted Answer

The PNS axons of lower vertebrates can regenerate accurately even when they do not grow back through their original Schwann-cell sheaths.

The PNS Axons of Lower Vertebrates