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.
Princeton's WordNet(5.00 / 2 votes)Rate this definition: 1  kingdom, land, realm(noun) a domain in which something is dominant. 2  kingdom(noun) a country with a king as head of state. 3  kingdom, realm(noun) the domain ruled by a king or queen. 4  kingdom(noun) a monarchy with a king or queen as head of state.