Presence of Marchi-positive myelinoid bodies in the spinal cord white matter of some vertebrate species.
D000818:Animals; D001001:Anura; D002415:Cats; D006168:Guinea Pigs; D006801:Humans; D051379:Mice; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000648:ultrastructure*; D011817:Rabbits; D051381:Rats; D013045:Species Specificity; D013116:Spinal Cord / Q000648:ultrastructure*; D013194:Staining and Labeling