| Type | MGI:General | Description | peroneal nerve fibers from 3 week old mice are thinly myelinated or amyelinated as compared to wild-type a greater proportion of the abnormal fibers are found in the motor branch of the femoral nerve lumbar ventral roots have a higher proportion of abnormal fibers than dorsal roots or peripheral nerves 74% of peroneal and femoral nerve fibers are normally myelinated at 3 weeks increasing to 84% in adults, but never reaching 100% |