| Type | MGI:General | Description | myelin is compacted but the distinction between major dense lines and intraperiod lines is less than in wild-type; however, the proportion of myelinated axons, myelin sheath thickness and size range of myelinated fibers are similar to wild-type in a few areas double intraperiod lines are seen and myelin sheaths are more susceptible to damage during the fixation process compared to wild-type |
