title: "Tubular and undulated profiles" in the myelin sheath of axons in the goldfish spinal cord.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D002454:Cell Differentiation; D003593:Cytoplasm / Q000648:ultrastructure; D006054:Goldfish / Q000033:anatomy & histology; D009186:Myelin Sheath / Q000648:ultrastructure*; D009836:Oligodendroglia / Q000648:ultrastructure; D013116:Spinal Cord / Q000648:ultrastructure*