title: Myelin in the senile rat brain. Preliminary report.
mesh_terms: D000375:Aging; D000818:Animals; D001921:Brain / Q000648:ultrastructure*; D003704:Dementia / Q000473:pathology*; D003711:Demyelinating Diseases / Q000473:pathology*; D006801:Humans; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000648:ultrastructure*; D051381:Rats; D011919:Rats, Inbred Strains