Styloid process Internal view of calvaria - Netter pl. 4 Coronal, sagittal and lambdoidal suttures. Granular foveolae - granular pits formed by arachnoid granulations. Aa . - principal art of cranial dura. This leads to a rapid increase in in intercranial pressure .
Patient death can be rapid due to death of meudallary neurons that control respiration.
The periosteal layer is closely attached to the skull and the meningeal layer is closely attached to the periosteal layer. Therefore, the epidural space in the cranial cavity is normally a potential space. It can become a real space only circumstances such as a skull fracture where there can be an accumulation of blood or other fluid between the skull and dura . Delicate, transparent and fibrous layer separated from the pia by the subarachnoid space. The arachnoid loosely surrounds brain.