start stage end stage motor exit point glia zebrafish_anatomy Glial cell that restricts CNS-residing myelinating glia from entering the PNS. MEP glia originate from within the CNS, then migrate into the PNS, divide and produce cells that ensheath and myelinate spinal motor root axons. ZFA:0005971 2024-10-28T16:11:46Z MEP glia zfinf glial cell (sensu Vertebrata) unknown adult