title: Electron microscope observations upon the conus medullaris and filum terminale of human fetuses.
mesh_terms: D001369:Axons / Q000166:cytology; D001485:Basement Membrane; D001808:Blood Vessels; D002420:Cauda Equina / Q000166:cytology*; D003239:Connective Tissue Cells; D003593:Cytoplasm; D005333:Fetus / Q000166:cytology*; D006801:Humans; D008161:Lumbosacral Region; D008854:Microscopy, Electron; D009186:Myelin Sheath; D009457:Neuroglia / Q000166:cytology; D010587:Phagocytosis; D013116:Spinal Cord / Q000166:cytology* / Q000196:embryology