In unmyelinated fibers, action potentials travel as continuous waves, but, in myelinated fibers, they "hop" or propagate by saltatory conduction. The latter is markedly faster than the former, at least for axons …

May 9, 2022 · Myelin is made by oligodendrocytes in your brain and spinal cord (your central nervous system [CNS]) and by Schwann cells in your peripheral nervous system. Your peripheral nervous …

Oct 26, 2023 · Axons which are covered by a myelin sheath, a multilayer of proteins and lipids, are said to be myelinated. If an axon is not surrounded by a myelin sheath, it is unmyelinated.

The meaning of MYELINATED is having a myelin sheath. How to use myelinated in a sentence.

May 1, 2023 · An axon wrapped in myelin sheath is said to be myelinated fibers, as such, axons not wrapped in myelin are non-myelinated fibers.

myelin sheath (nerve sheath) the sheath surrounding the axon of myelinated nerve cells, consisting of concentric layers of myelin formed in the peripheral nervous system by the plasma membrane of …

Apr 3, 2025 · Myelin is an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord. It is made up of protein and fatty substances.

Aug 8, 2025 · White matter integrity—the health and organization of myelinated axons—correlates strongly with processing speed, memory, and problem-solving ability. When white matter breaks …

myelin, white, insulating sheath on the axon of many neurons. Composed of fatty materials, protein, and water, the myelin sheath is deposited in layers around axons by Schwann cells in the peripheral …