title: Absorption and secretion of monoquaternary ammonium compounds by the isolated intestinal mucosa.
mesh_terms: D000332:Aerobiosis; D000693:Anaerobiosis; D000818:Animals; D001693:Biological Transport, Active / Q000187:drug effects; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007408:Intestinal Absorption / Q000187:drug effects; D007413:Intestinal Mucosa / Q000378:metabolism*; D008297:Male; D009536:Niacinamide / Q000031:analogs & derivatives / Q000378:metabolism; D010539:Permeability; D011188:Potassium / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000378:metabolism*; D012601:Scopolamine / Q000378:metabolism / Q000494:pharmacology; D012602:Scopolamine Derivatives
chemical_list: D000644:Quaternary Ammonium Compounds; D012602:Scopolamine Derivatives; D009536:Niacinamide; D012601:Scopolamine; D011188:Potassium