Metaphors for the caste system in the modern world. Metaphors for the classes of the caste system in the modern world are the Brahmins are similar to the people who work at beauty salons because they teach what the products are used for and they teach how to look good.
Tuesday, April 8th 2014. | Disease. Peptic ulcer disease (PUD) refers to a group of ulcerative disorders of the upper gastrointestinal (GI) tract that require acid and pepsin for their formation. Ulcers differ from gastritis and erosions in that they extend deeper into the muscularis mucosa.
Peptic Ulcer Disease: Causes Protective vs. Hostile Factors âNo gastric acid, no peptic ulcerâ is a misconception. Excessive gastric acid secretion is only one factor in the pathogenesis of peptic ulcer disease.Decreasedmucosal defense against gastric acid is another cause.igure 4. Pathogenesis of peptic ulcer disease. Helicobacter pylori H. pylori is the etiologic factor in most patients with peptic ulcer disease and may predispose individuals to the development of gastric carcinoma.