has part has part characteristic of inheres in has modifier Abnormal anterior fontanelle morphology Delayed cranial suture closure Delayed closure of the anterior fontanelle Persistent anterior fontanelle A delay in closure (ossification) of the anterior fontanelle, which generally undergoes closure around the 18th month of life. SNOMEDCT_US:295091000119100 Late closure of the bregma sutures Late closure of anterior fontanelle UMLS:C3840083 Delayed closure anterior fontanel Delayed closure of the soft spot on the skull Late closure of soft spot on the skull Delayed closure of the bregma sutures Delayed closure of anterior fontanelle UMLS:C4072831 Late closure of large anterior fontanel Later than typical closing of soft spot of skull HP:0001476 abnormal delayed closure anterior fontanel