In IBS, there may be increased mucus production by the lining of the intestine. That mucus is then passed in the stool. Mucus is more often associated with diarrhea-predominant IBS than with constipation-predominant IBS or alternating type IBS (IBS-A).
MUD. n. A computer program, usually running over the Internet, that allows multiple users to participate in virtual-reality role-playing games.
Tough Mudder. Tough Mudder is an endurance event series in which participants attempt 10â12 mile-long (16â19 km) military-style obstacle courses. It was designed and created by Will Dean (businessman), a British Harvard Business School post graduate and a former corporate lawyer, and tests mental as well as physical strength.