has part has part has_part characteristic of part of has modifier posterior neuropore closure delayed neural tube closure abnormal embryonic tissue physiology delayed rostral neuropore closure delayed headfold fusion delayed head fold fusion a delay in the fusion of the cephalic neural folds delayed cranial neural fold fusion delayed cephalic closure csmith delayed rostral neural tube closure delayed anterior cephalic closure 2014-03-20T13:45:55Z MPheno.ontology MP:0012708 delayed anterior neural tube closure abnormal delayed