In the developed world, irritable bowel syndrome (IBS) is the most common cause of functional diarrhea.7,8. IBS is a complex of symptoms usually diagnosed by a process of elimination of other possible problems. There is cramping abdominal pain and altered bowel habit, either with diarrhea or constipation.7,8.
Thelyphonida, in dorsal view, with pedipalps in green. Pedipalps (commonly shortened to palps or palpi) are the second pair of appendages of the prosoma in arthropods of the subphylum Chelicerata, lateral to the chelicerae and anterior to the first pair of walking legs.
Like the chelicerae, a spider's pedipalps are part of its mouth, and are located just between the chelicerae and first pair of legs on the cephalothorax. Pedipalps are jointed, and look somewhat like small legs. They are not used like legs, though.