Earlier this year, a high-profile Science paper caused a stir with its claim that the brain has a fourth, previously unrecognized, meningeal membrane. Dubbed SLYM and containing Prox1+ cells, this ...
The meninges are the three membranes that along with the cerebrospinal fluid, enclose and protect the structures of the nervous system like the brain and the spinal cord. These consist of the pia ...
A subarachnoid hemorrhage occurs when blood leaks into the space between two of the membranes surrounding the brain. A swollen blood vessel, or aneurysm, usually ruptures and causes the condition.
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