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Acranias

《英文msh詞典》Acranias
[入口詞] Acranias
[主題詞] Neural Tube Defects
[英文釋義] 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)