Abnormal cranial suture/fontanelle morphology Wide cranial sutures 2009-09-21T09:50:28Z An abnormally increased width of the cranial sutures for age-related norms (generally resulting from delayed closure). SNOMEDCT_US:268855009 Widened cranial sutures Broad cranial sutures UMLS:C0410935 Sutural diastasis Diastasis of cranial sutures open cranial sutures Large cranial suture HP:0010537 Persistent open cranial sutures