Medically reviewed by Sameena Zahoor, MDMedically reviewed by Sameena Zahoor, MD The meninges of the brain and spinal cord are three layers of membranes: the dura mater, arachnoid mater ...

They’re mysterious cells in the brain’s visual cortex called OPCs. The visual cortex processes everything we see. Incoming visual information is relayed to this outer layer of the brain via ...

Imagine yourself sometime in the far future aboard a routine rocket to Mars. Someone just spilled their drink. Without gravity, it collects in floating blobs that ripple right before your eyes. Now ...

From there they can be further sorted into subclasses: Excitatory neurons are categorized by the layer of the brain they’re in while inhibitory neurons are identified by the marker proteins they ...

The so-called blood-brain barrier, a special layer of cells, protects the brain from all manner of pathogens and harmful substances. However, we now know that the blood-brain barrier can be ...