Chapter 23 - Demyelinating diseases of the nervous system. Introduction. This group of diseases (see Table 23-1) is characterized by lesions that are associated with loss of myelin with relative sparing of axons. There are many type of disease that damage myelin in concert with the destruction of axons.
A realm is an area that is ruled by something. If you are a controlling cook who doesnât like anyone to do anything else in the kitchen, then the kitchen is your realm. Realm comes from the French for kingdom, but since there arenât so many kings or queens left in the world, youâll more often find it referring to non-royal spheres. That could be the sphere of a special kind of knowledge, like the realm of biology, or the political realm.
Realms are servers, run by us, just for you and your friends. Keep your Minecraft world online and always accessible, even when you log-off. It's safe, too! Only people you invite can join your world, and what you do there is up to you: create, survive or compete! Watch our how-to video!