Antidiarrheals/therapeutic use; Diarrhea/drug therapy; Ileum/drug effects; Lepidium sativum; Parasympatholytics/therapeutic use; Phytotherapy; Abdominal Pain/drug therapy; Animals; Antidiarrheals/pharmacology; Calcium Channel Blockers/pharmacology; Calcium Channel Blockers/therapeutic use; Castor Oil; Diarrhea/chemically induced; Diarrhea/metabolism; Dicyclomine/pharmacology; Dose-Response Relationship, Drug; Female; Ileum/metabolism; Male; Muscarinic Antagonists/pharmacology; Muscarinic Antagonists/therapeutic use; Muscle, Smooth/drug effects; Parasympatholytics/pharmacology; Plant Extracts/pharmacology; Plant Extracts/therapeutic use; Rats; Rats, Sprague-Dawley; Receptors, Muscarinic/metabolism; Seeds; Spasm/chemically induced; Spasm/drug therapy; Spasm/metabolism