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.
1 The dura mater is the âtoughestâ layer, and the pia mater is the âsoftestâ layer. 2  The arachnoid layer is filled with a web of collagen. 3  All together these three layers are called the meninges. 4  The arachnoid layer + pia mater layer is called the leptomeninges.his layer of protective tissues is collectively named the â meninges â but is actually composed of 3 main layers: The Dura mater, the Arachnoid layer, and the Pia mater. Meninges.