As we all remember from that time we took two hours to dig up the Reelz channel on our programming guide, Katie Holmes played Jackie opposite Greg Kinnear in the Kennedys miniseries. I actually thought she did a smooth job of it, especially whenever fixing people with a knowing, aristocratic gaze.
Meninges. Apart from the scalp and skull there are three other layers inside the skull that encase and protect your brain. These coverings together are the meninges, and consist of the Dura Mater, the Arachnoid, and the Pia Mater.
It is interposed between the two other meninges, the more superficial and much thicker dura mater and the deeper pia mater, from which it is separated by the subarachnoid space. The delicate arachnoid layer is attached to the inside of the dura and surrounds the brain and spinal cord. It does not line the brain down into its sulci (folds), as does the pia mater, with the exception of the longitudinal fissure, which divides the left and right cerebral hemispheres.