Neural tube closure retains its secrets.
D000818:Animals; D006801:Humans; D007231:Infant, Newborn; D051379:Mice; D008815:Mice, Inbred Strains; D009436:Neural Tube Defects / Q000196:embryology*; D012376:Rodent Diseases / Q000196:embryology; D012377:Rodentia / Q000196:embryology; D016135:Spinal Dysraphism / Q000196:embryology