[Electron microscopic study of the human fetal optic nerve].
D002196:Capillaries / Q000196:embryology; D003238:Connective Tissue / Q000196:embryology; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000196:embryology; D009413:Nerve Fibers, Myelinated / Q000196:embryology; D009900:Optic Nerve / Q000166:cytology / Q000196:embryology*