The following is a summary of “Optic nerve sheath enhancement on orbital MRI in giant cell arteritis,” published in the ...

A bundle of neurones is called a nerve. There are three main types of ... which is insulated by a fatty (myelin) sheath. They are long so they can carry messages up and down the body.

Medically reviewed by Amelia MacIntyre, DO The ophthalmic nerve is the first branch of the trigeminal nerve, which is also ...

Although there are several molecular or morphological differences between nerve fibers in the PNS and CNS, the basic myelin sheath arrangement and the electrophysiological characteristics are ...

The nerve cell is covered with a fatty sheath, which insulates the nerve cell and speeds up the nerve impulse. Muscle cells contain filaments of protein that slide over each other to cause muscle ...