Multiple sclerosis (MS) is an autoimmune disease that affects the central nervous system. With multiple sclerosis, the brain has difficulty getting messages to the rest of the body. Though we know relatively little about multiple sclerosis, research into its causes and possible treatments is rapidly developing.
Definition of gut - the stomach or belly, used in reference to a feeling or reaction based on an instinctive emotional response rather than considered Definition of gut - the stomach or belly, used in reference to a feeling or reaction based on an instinctive emotional response rather than considered dictionary thesaurus
Princeton's WordNet(0.00 / 0 votes)Rate this definition: kidney(noun) either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine. urine passes out of the kidney through ureters to the bladder.