NCIt definition : The four gaps in the skull of a neonate or fetus where the sutures converge. The bulging
or depression of the membranous soft spots can be indicative of intracranial fluid
buildup or systemic dehydration.;
Alternative definition : CDISC: The membrane-covered space between the skull bones of a neonate or fetus where
ossification is not complete and sutures are not fully formed.;