What is syringomyelia many ask. Well, here's a video glimpse of one of the most common visual symptoms of SM. There are more symptoms such as biting at the air, yelping for no apparent reason, nerve paralyses, trouble walking & deafness. SM is an extremely serious condition in which fluid-filled cavities develop within the spinal cord near the brain. Then small pockets of this cerebrospinal fluid is forced down the spinal column. It is, as you can see, very bothersome. It's suspected that upward