"It seems that the total amount of the myelin in the myelin sheaths is relatively preserved," says Grutzendler. Nerves are coated in myelin, but have tiny gaps called "nodes of Ranvier" where the ...

New research reveals that Alzheimer's disease may impair nerve function not by reducing myelin, but by altering the proteins ...

The disruption of axons—the thread-like part of nerve cells that transmits electrical signals—is associated with Alzheimer’s disease. One way axonal function may be hindered is through damage to the ...

The axo-myelin unit is a sophisticated structure that includes the myelin sheath, the axon beneath, and the nodes of Ranvier. The nodal-paranodal axon cytoskeleton, anchorage molecules, and even the ...

Gap was one of the most popular retail names of the 1980s and 1990s, but fell out of favor among consumers at the start of the new millennium. From fiscal 2001 to 2021, the brand closed about ...

The Democrats Have an Authenticity Gap What creates the “relatable dude-bro” audience is organic connection, not donor checks. By John Hendrickson ...

Pictures of swollen lymph nodes in the armpit A lymph node in the armpit that’s only slightly enlarged may be difficult to see, but you may be able to feel it with your fingers.

Myelin – produced by Schwann cells in the periphery and oligodendrocytes in the CNS – is defective in diseases such as multiple sclerosis, and many myelin repair strategies aim to mitigate ...

Glial cells play an important role in supporting the body's central and peripheral nervous systems. Several types, each with different functions, of glial cells exist. Learn more here.