Other possible causes of diarrhea during pregnancy include bacteria (such as Escherichia coli), parasites (such as Giardia), medications, or other medical conditions (such as irritable bowel syndrome or Crohn's disease). Many women also experience diarrhea at the onset of labor (see Signs of Labor).
The viscera are the internal organs of the body-especially those located in the large cavity of the trunk (e.g., the heart, liver, and intestines). The word viscera comes from Latin, in which it has essentially the same meaning. Something visceral has to do with the viscera. In a more figurative sense, something visceral is felt deep down.. Even in the early years of its use, visceral often referred to things emotional rather than physiological.
visceral nervous system, the visceral part of the peripheral nervous system that comprises the whole complex of nerves, fibers, ganglia, and plexuses by which impulses travel from the central nervous system to the viscera and from the viscera to the central nervous system.