A serious but often overlooked type of stroke—called subarachnoid hemorrhage—could be prevented in many cases through better ...

is a type of stroke that happens when there is bleeding in the area surrounding the brain called the subarachnoid space. When this occurs, blood fills the space between the brain and the thin tissues ...

Pulsar Fusion, a U.K.-based aerospace company, is developing a compact fusion engine called the Dual Direct Fusion Drive that could drastically change space exploration as we know it. This engine ...

is a medical emergency characterized by the accumulation of blood in the subarachnoid space surrounding the brain. The acute treatment of aSAH is well documented but less is known about the long-term ...

What is a subarachnoid hemorrhage? A subarachnoid hemorrhage is bleeding in the space between your brain and the membrane that covers it. Most often, it occurs when a weak area in a blood vessel ...

The following is a summary of “Disproportionately Enlarged Subarachnoid-Space Hydrocephalus on MRI in Pathologically Confirmed Progressive Supranuclear Palsy,” published in the February 2025 issue of ...

and SAIL were defined as the presence of high-density areas in the subarachnoid space on virtual non-contrast and iodine overlap map images, respectively. The definition of SAH is classic and standard ...

Gaps in the Barrier. Bridging veins (BV) poke through the arachnoid mater (green), allowing dextran tracer (pink) to flow from the subarachnoid space (SAS) to the dura. [Courtesy of Smyth et al., ...

In the January 6 Science, they reported that SLYM lies between the arachnoid and pia membranes, splitting the subarachnoid space. It wraps around blood vessels traversing the pia, restricting solute ...

"We conclude that SLYM fulfills the characteristics of a mesothelium by acting as an immune barrier that prevents exchange of small solutes between the outer and inner subarachnoid space compartments ...