Myelin is the material that covers the spinal cord. It protects thecord from damage. If the myelin wears away, then a person is saidto have Multiple Sclerosis.
The process by which the axons are covered and insulated by layers of fat cells, which increases the speed at which information travels through the nervous system.
Myelin is the material that forms a layer around the axon of a neuron. It is essential for the neuron because it increases the speed of the impulses that propagate along the f…iber. (MORE)
Myelin (sheath) is a white fatty covering (of proteins and phospholipids) that wrap around axons (long nerve fibers that deliver impulses from one neuron to another) insulatin…g them to help them fire faster. (MORE)
Scwhann cells, a type of glial cell, wrap their membranes around neuronal axons many times to form the myelin sheath. It is mostly composed of lipids (fats)
Myelin is made of lipids of proteins, but it functions slightly differently depending on where in our nervous system it's employed. Our body has a Peripheral Nervous System th…at branches from the spinal cord to carry information related to sensory input, while our brain's Central Nervous System determines how to act on that input. Each of these systems synthesizes myelin in a different way. (MORE)
Demyelination in the brain and its effects on the optic nerve can cause objects directly ahead to be blurred in one eye, and eventually lead to blindness in that eye.
The fibre that carries impulses to the effector organ is called axon which is covered by a sheath made of a fatty material called myelin. The myelin then insulates the axon pr…eventing short circuits with other axons and also speeds up the conduction of the impulses. The sheath is formed by the membranes of special cells that wrapthemselves around the axon as it develops . (MORE)