english: There's very little room in the cranial vault, only a few millimeters, and it's filled entirely with cerebral spinal fluid, which acts as a protective layer.
non_english: Postoji vrlo malo prostora u kranijalnom svodu, samo nekoliko milimetara, i on je u potpunosti ispunjen cerebrospinalnom tečnošću koja se ponaša kao zaštitni omotač.