MONDO_0018953 (parietal foramina) can be described as follows. Enlarged parietal foramina (EPF) is a developmental defect, characterized by variable intramembranous ossification defects of the parietal bones, which is either asymptomatic, symptomatic (headaches, nausea, vomiting, intellectual disability) or associated with other pathologies. Also known as: Caitlin marks, catlin marks, enlarged parietal foramina, fenestrae parietales symmetricae, foramina parietalia permagna, hereditary cranium bifidum, symmetric parietal foramina.