BIOLOGY | HEALTH | MEDICAL on Instagram: "The cranial vault, formed by bones such as the frontal, parietal and occipital bones, protects the brain and its essential structures. During surgery, after the bone fragment is removed, the dura mater — a thick, resistant membrane that covers the brain — is exposed, allowing access to the brain tissue. This membrane is crucial for protecting the central nervous system, preventing infections and maintaining intracranial pressure. After the intervention,