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2024-02-13

Between the central nervous system and the dura mater

Neurology

The arachnoid barrier forms a boundary between the central nervous system and the dura mater. But communication between the central nervous system and the dura mater remains essential for waste elimination and immune surveillance. Using transcriptomic data, researchers have developed transgenic mice to better study the communication pathways between the central nervous system and the dura mater. Bridged veins form discontinuities as they cross the arachnoid barrier, forming structures that researchers have dubbed arachnoid cap exit points. These exit points allow exchanges between the subarachnoid space and the dura mater, ensuring the drainage of cerebrospinal fluid.

Source(s) :
Leon C D Smyth et al. Identification of direct connections between the dura and the brain. Nature. 2024 Feb 7. ;

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