Ключевые слова: anatomy, bacteria, biology, biopsy, body, cancer, care, cell, corpse, digest, digestion, disease, drug, duodenum, eating, endoscopy, erosion, esophagus, gastric, gastritis, gastrointestinal, heartburn, heliobacter, human, incision, inflammation, malignant, medicine, mucous, nausea, nutrition, pain, pancreas, peptic, rendering, science, sign, small intestine, sphincter, stomach, ulcer,