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Maiken Nedergaard's lab just discovered a new part of the brain's waste disposal system

Thursday, January 5, 2023

New Scientist, January 5

The new structure is a fourth membrane, lying on top of the innermost membrane, called the subarachnoid lymphatic-like membrane (SLYM). The SLYM hadn’t been noticed before, partly because the membrane disintegrates when the brain is removed from the skull in post-mortems, says Maiken Nedergaard, a professor of neurology and of neurosurgery and codirector of the Center for Translational Neuromedicine, who helped discover the structure. It is also too thin to be seen in living people via brain-scanning machines.

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