Degeneration of nerve tissue in the spinal cord causes ataxia. Meningovascular syphilis is characterized by stroke, cranial nerve palsis and spinal cord inflammation. Interneurons connect neurons to other neurons within the brain and spinal cord. Pneumococcal meningitis is an infection of the tissue covering the brain and spinal cord. It may present as stroke or spinal cord infarct. The neural tube gives rise to both brain and spinal cord. Diagnosis is typically based on finding specific antibodies in the cerebral spinal fluid. The CNS consists of the brain and spinal cord. Muscular, spinal and neural factors all affect muscle building. Scientists are investigating various avenues for treatment of spinal cord injury. Myelin is an insulating sheath around neurons in the spinal cord. Others though can cause compression of the spinal cord. He suffered from respiratory problems in addition to complications from his gunshot spinal injury. Its beneficial effects in spasticity result from its actions in the brain and spinal cord. These cells are found in all regions of the brain and spinal cord.