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.
The definition of a muddle is a confusion. An example of a muddle is a switching of a group of students' exams. verb. Muddle is defined as to mix up, confuse or think in a confused way, or to mix up a drink. An example of muddle is to mix up a bunch of students' papers.