 sheikh alrais may god have mercy on him said the entire brain is covered with two membranes until he said the connection of the thick membrane to the skull as well.
قال الشيخ الرئيس رحمة الله عليه وقد جلل الدماغ كله بغشائين إلى قوله ارتباط الغشاء الثخين بالقحف أيضا.