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 ...
Meningioma is the most common type of tumor that develops in the head. The tumor grows from the meninges, the membranes (thin layers of tissue) surrounding your brain and spinal cord. Most ...