Syringomyelia

The Cause
Cerebrospinal fluid normally flows in a pulsatile manner throughout the subarachnoid space which envelopes the spinal cord and brain, transporting nutrients and waste products. The cerebrospinal fluid also serves to cushion the brain. Excess cerebrospinal fluid in the central canal of the spinal cord is called hydromyelia. This term refers to increased cerebrospinal fluid that is contained within the ependyma of the central canal. When fluid dissects into the surrounding white

symptoms of a migraine