Cathartics and the sodium pump.
D000818:Animals; D001693:Biological Transport, Active / Q000187:drug effects; D002368:Castor Oil / Q000494:pharmacology*; D002400:Cathartics / Q000494:pharmacology*; D004594:Electrophysiology; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007408:Intestinal Absorption / Q000187:drug effects*; D010101:Oxygen Consumption / Q000187:drug effects*; D010635:Phenolphthaleins / Q000494:pharmacology*; D010946:Plants, Medicinal; D010947:Plants, Toxic; D011035:Podophyllum / Q000494:pharmacology*; D011817:Rabbits; D012867:Skin / Q000187:drug effects; D012964:Sodium / Q000378:metabolism*
D002400:Cathartics; D010635:Phenolphthaleins; D002368:Castor Oil; D012964:Sodium