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.
The Hungry Ghost realm (also known as the Preta realm) is a rebirth based on strong possessiveness and desire which were cultivated in a previous life or lives. The sentient beings in this realm are known as  hungry ghosts .They are constantly extremely hungry and thirsty, but they cannot satisfy these needs.he Asuras are said to experience a much more pleasurable life than humans, but they are plagued by envy for the devas, whom they can see just as animals can perceive humans. The Asura realm is also sometimes referred to as the Ashura realm, Titan realm, Jealous God realm, Demigod realm, or Anti-God realm.