Encyclopedia of Gastroenterology

Leonard R. Johnson received a Ph.D. in physiology from the University of Michigan and then trained with Dr. Morton I. Grossman at UCLA. He spent 17 years as a Professor of Physiology at the University of Texas Medical School in Houston before moving to the University of Tennessee Health Science Center as the Thomas A. Gerwin Professor and Chairman of the Department of Physiology. He is the author or coauthor of over 250 papers on gastrointestinal physiology and holds an NIH MERIT Award. Currently he is the Vice Chancellor for Research at Tennessee.

Topics Include:
Abdominal Aortic Aneurysm
Achalasia
Aging
AIDS, Biliary Manifestations of
AIDS, Hepatic Manifestations of
Alcohol Metabolism
Alcoholic Liver Injury, Hepatic Manifestations of
Alimentary Tract, MRI of the
Alpha 1-Antitrypsin Deficiency
Amylase
Amyloidosis
Anal Canal
Anal Cancer
Anal Sphincter
Anorexia Nervosa
Antacids
Appendicitis
Appetite
Arachidonic Acid
Ascites
Autoimmune Liver Disease
Autonomic Innervation
Bacterial Toxins
Barium Radiography
Barostat
Barrett's Esophagus
Barrier Function in Lipid Absorption
Behçet's Disease
Belching
Bezoars
Bile Composition
Bile Duct Injuries and Fistulas
Bile Flow
Bile Formation
Biliary Tract, Benign Tumors of the
Biliary Tract, Developmental Anomalies of the
Bilirubin and Jaundice
Boerhaave's Syndrome
Borborygmus
Brain-Gut Axis
Breath Tests
Budd-Chiari Syndrome
Bulimia Nervosa
Calcitonin Gene-Related Peptide
Calcium, Magnesium, and Vitamin D Absorption, Metabolism, and Deficiency
Cancer, Overview (Oncogenes, Tumor Suppressor Genes)
Carbohydrate Digestion and Absorption
Celiac Disease
Celiac Disease, Pediatric
Chagas' Disease
Chief Cells
Cholangiohepatitis, Oriental
Cholecystectomy
Cholecystokinin
Cholelithiasis, Complications of
Cholestasis and Biliary Atresia, Neonatal
Cholestatic Diseases, Chronic
Cholesterol Absorption
Circulation, Overview
Cobalamin
Colectomy
Colitis Cystica Profunda
Colitis, Collagenous and Lymphocytic
Colitis, Indeterminate
Colitis, Ulcerative
Colon, Anatomy
Colonic Absorption and Secretion
Complementary and Alternative Medicine
Computed Tomography (CT)
Constipation
Constipation, Pediatric
Crohn's Disease
Crohn's Disease, Pediatric
Cryptosporidium
Cystic Fibrosis and Meconuimileus
Cytochrome P450
Defecation
Development, Overview
Diabetes Mellitus
Diabetic Gastroparesis
Diabetic Neuropathies
Diaphragmatic Hernia
Diarrhea
Diarrhea, Infectious
Diarrhea, Pediatric
Diet and Environment, Role in Colon Cancer
Disinhibitory Motor Disorder
Duodenal Motility
Duodenal Ulcer
Duodenitis
Dyspepsia, Non-Ulcerative
Dysphagia
Ehlers-Danlos Syndrome
Electrical Rhythm, Basic
Electrogastrography
Emesis
Endoscopic Ultrasound
Endoscopy, Complications of
Enteral Nutrition
Enteric Nervous System
Enterochromaffin-like (ECL) Cells
Eosinophilic Gastroenteritis
Epithelia, Proliferation of
Epithelia, Repair of
Epithelial Barrier Function
Erosive and Hemorrhagic Gastritis (Gastropathy)
Esophageal Strictures
Esophageal Surgery
Esophageal Trauma
Esophagus, Anatomy
Esophagus, Development
Exocrine Pancreas
Familial Adenomatous Polyposis (FAP)
Familial Risk of Gastrointestinal Cancers
Fast Track Surgery
Fat Digestion and Absorption
Fatty Liver
Fecal Incontinence
Fibrogenesis
Folate Deficiency
Food Allergy
Food Safety
Foodborne Diseases
Foreign Bodies
Fungal Infections
Gallbladder Cancer
Gallstones, Pathophysiology of
Gastric Acid Secretion