1 Multiple sclerosis (MS) is a disease that causes demyelination (disruption of the myelin that insulates and protects nerve cells) of spinal nerve and brain cells.  Although the exact case is unknown, multiple sclerosis is considered to be an autoimmune disease.
The skunk is not a rodent. They belong to the family Mephitidae and the order Carnivora which does not include rodentia. They are sometimes placed in the family Mustelidae (weasels) but have been discovered to be less related than was thought.
The females have glands that produce milk, which they feed to their young. There are more than 4,000 different species A group of individuals that have many of the same characteristics, and are different from all other animals in some important way. Hamsters and mice are two different species of rodent. of mammals. The smallest is the hog-nosed bat, which weighs 0.05 ounces.