Sciatica is pain, tingling, or numbness produced by an irritation of the nerve roots that lead to the sciatic nerve.The sciatic nerve is formed by the nerve roots coming out of the spinal cord into the lower back. It goes down through the buttock, then its branches extend down the back of the leg to the ankle and foot.ciatica is pain, tingling, or numbness produced by an irritation of the nerve roots that lead to the sciatic nerve.
prefrontal lobotomy - surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes. frontal lobotomy, leucotomy, leukotomy, lobotomy, prefrontal leucotomy, prefrontal leukotomy.
What is a urostomy? A urostomy is a surgical procedure which diverts the normal flow of urine from the kidneys and ureters into a specially created stoma. To create the stoma the surgeon will isolate a short piece of your small intestine from which he will fashion a tube or spout (known as an ileal conduit).