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meninges of brain
| Term | Definition |
|---|---|
| dura mater | outermost layer; tough fibrous connective tissue |
| pia mater | innermost vascular layer covering the brain; follows every convolution |
| arachnoid granulations | drains cerebrospinal fluid into venous blood in the dural venous sinuses |
| choroid plexus | structure that forms the cerebrospinal fluid |
| arachnoid mater | middle layer; delicate with cottony fibers |
| falx cerebri | a dural fold that attaches the cerebrum to the crista galli of the skull |