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GI - Panc/Large Int

USCSOM Physiology: GI Part V - Pancreas/Large Intestine

What is CFTR regulated by in the pancreatic duct cell? cAMP and secretin
What exchanger gets bicarbonate into the lumen of the pancreatic duct? bicarb/Cl exchanger
What are the three phases of stimulated pancreatic secretion? Cephalic, Gastric, Intestinal
What pancreatic secretory stage is the most active? intestinal phase
What mediates pancreatic secretion in the intestinal stage? secretin, CCK, vasovagal reflex
What is the gastrocolic reflex? distension of the stomach increases colonic motility
What is the rectophincteric reflex? reflex that fills anus in preparation for defication
What is diverticula? connective tissue in the colon bulges out in pouches; 1/2 of Americans over 50 have this
What are some functional consequences of bacteria in the colon? production of Vit K, metabolism of steroid and sterols, control of 'bad' bacteria
What is the most common cause of antibiotic associated colitis? Clostridium difficle
What is IBS? irritable bowel syndrome; hyperactivity in the intestines
What is Hirschsprung's disease? failure of enteric nervous system to develop in the colon
What is Chagas' disease? parasitic infection that destroys eneteric nerves
Created by: jlellerm