Neural Tube Defects |
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| Acrania; Developmental Neural Tube Defects; Iniencephaly; Neural Tube Developmental Defects; Neuroenteric Cyst; Acranias; Craniorachischises; Cyst, Neurenteric; Cyst, Neuroenteric; Cysts, Neurenteric; Cysts, Neuroenteric; Defect, Neural Tube | |
| Congenital malformations of the central nervous system and adjacent structures related to defective neural tube closure during the first trimester of pregnancy generally occurring between days 18-29 of gestation. Ectodermal and mesodermal malformations (mainly involving the skull and vertebrae) may occur as a result of defects of neural tube closure. (From Joynt, Clinical Neurology, 1992, Ch55, pp31-41) | |