The two great points of difference between a democracy and a republic are: first, the delegation of the government, in the latter, to a small number of citizens elected by the rest; secondly, the greater number of citizens, and greater sphere of country, over which the latter may be extended.
Neurons in the brain. The myelin sheath is a protective covering on the nerves in the brain. Damaged or destroyed myelin sheaths impede the nerves from sending messages to other parts of the brain.This results in loss of functioning to those areas of the brain.he myelin sheath is a protective covering on the nerves in the brain. Damaged or destroyed myelin sheaths impede the nerves from sending messages to other parts of the brain. This results in loss of functioning to those areas of the brain.
MS causes the bodyâs immune system to attack myelin, a protective sheath covering nerve fibers. Damage to the myelin âshort circuitsâ communication between the brain, spinal cord and other areas of the body, severely impairing such neurological functions as mobility, vision and thinking.atalizumab is thought to reduce the inflammatory cells in the brain by blocking the lymphocytic infiltration, known to occur in the brain following stroke, which may reduce the extent of injury. Anti-alpha Synuclein mAb (BIIB054). Parkinson's disease. Parkinson's disease is a disorder of the central nervous system.