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.
The types of peptic ulcers are gastric and duodenal, both of which are chronic diseases. The ulcer represents the development of a circumscribed defect in the gastric or duodenal mucosa that is exposed to acid and pepsin secretion. The ulcer may extend through the tissue layers of the muscle and serosa into the abdominal cavity.