Diagram showing the process of Helicobacter pylori bacteria entering the stomach and causing ulcers.

ABNORMAL • ACID • ANAEROBIC • ANATOMY • ANTERIOR WALL • ARTWORK • BACTERIA • BACTERIOLOGY • BIOLOGY • BIOMEDICAL ILLUSTRATIONS • CELL BIOLOGY • CELL • CLOSE UP • CLOSE-UP • CLOSEUP • COLOR IMAGE • CYTOLOGY • CYTOPLASM • DAMAGED • DETAIL • DIAGRAM • DIGESTION • DIGESTIVE SYSTEM • DIGITALLY GENERATED IMAGE • DISEASE CARRIERS • DISEASE • ENLARGEMENT • ENTERING • FOREGROUND • GLANDULAR ORGANS • GRAM-NEGATIVE BACTERIA • GREATER CURVATURE • GROSS ANATOMY • GUT • HEALTHCARE • HELICOBACTER PYLORI • HELICOBACTER • HORIZONTAL • HUMAN BODY PARTS • HUMAN ORGANS • HUMAN STOMACH • ILLUSTRATION • INFECTION • INFECTIOUS DISEASE • INJURY • INTERNAL ORGANS • LESION • LESSER CURVATURE • LUMEN • MAGNIFICATION • MEDICAL • MEDICINAL • MEDICINE • MICROBE • MICROBIOLOGY • MICROSCOPIC • MUCOSA • MUCUS • NECROSIS • NO PEOPLE • ORGAN • PART OF • PATHOGEN • PATHOLOGY • PEPSIN • PEPTIC ULCER DISEASE • PEPTIC ULCER • PHYSIOLOGIE • PHYSIOLOGY • PROBLEM • PROCESS • PROTEOBACTERIA • PYLORIC ANTRUM • PYLORUS • RED • SCIENCE • STOMACH • TEXT • ULCER • WESTERN SCRIPT • WHITE BACKGROUND • WITHOUT PEOPLE • WOUND