ISIS death toll from MOAB strike in Afghanistan rises to 94 according to local reports. Last Thursday, the United States deployed its largest non-nuclear weapon against an underground ISIS stronghold in Afghanistan.
The myelin sheath is a layer of fat and protein that covers the axon of a neuron, or nerve cell.The axon, which is a long, thin projection, is designed to carry electrical signals from a neuron to other cells.he myelin sheath is a layer of fat and protein that covers the axon of a neuron, or nerve cell.
1 Myelin sheath acts as an insulator for the nerve fibers. 2  Neurolemmal sheath (sheath of Schwann) surrounds the myelin sheath. 3  It represents the plasma membrane (basal lamina) of the Schwann cell.4  Beneath the membrane there lies a thin layer of cytoplasm with the nucleus of the Schwann cell. Myelin sheath acts as an insulator for the nerve fibers. 2  Neurolemmal sheath (sheath of Schwann) surrounds the myelin sheath. 3  It represents the plasma membrane (basal lamina) of the Schwann cell.