Mild sclerosis of the right humeral head is often caused by degenerative changes.
Tricompartmental degenerative changes in knees is caused by age related degeneration in the joints. This is many times caused by a reduction in the amount of fluid that is between the bones and the tissues.
Huntington's Disease
Huntington disease
Sclerosis in the vertebral body refers to increased density or hardening of the bone. It can be caused by conditions such as osteoarthritis, osteoporosis, or other degenerative diseases of the spine. Sclerosis can lead to pain, stiffness, and reduced mobility in the affected area.
Softening of brain tissue, usually caused by vascular insufficiency or degenerative changes Valerie14
Multiple sclerosis
Facet joints are the joints which connect the vertebrae to one another. Degeneration of the facet joints is commonly caused by arthritis and is a cause of pain and loss of mobility.
Nerve Tissue
Softening of brain tissue, usually caused by vascular insufficiency or degenerative changes. Also called cerebromalacia.Source: The American Heritage® Medical Dictionary
They can.. although it is not called Multiple Sclerosis it is called Canine Degenerative Myelopathy. It does the same thing as MS does, just being a dog, not a human. Although it usually affects older dogs, some breeds are more prone than others. (German shepards, Siberian huskies, collies, labrador retrievers, belgian shepards, and Kerry blue terriers).
Multiple sclerosis
Generally speaking stenosis is a degenerative condition, not one that is caused by physical means.