The Production and Stimulation of Gastric Acid Essay

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Gastric Acid Stimulation and Production

Pathophysiology of gastric acid stimulation and production

The parietal cells in the stomach are responsible for the production of gastric acid. Parietal cells contain secretory canaliculus, which produce gastric acid and release it into the gastric lumen. Gastric acid is produced as a response to the messages received through hormonal, paracrine, and neurocrine messengers (Schubert & Peura, 2008). The production of gastric acid undergoes three phases namely cephalic phase, gastric phase, and intestinal phase. Gastrin, the major hormonal trigger of gastric acid production is produced by the G cells located in the pyloric mucosa of the stomach. The G cells will release gastrin in response to a meal. However, the Histamine 2 receptors are thought to be the primary stimulus for the secretion of gastric acid.

How GERD, PUD, and gastritis affect the stimulation and production of gastric acid

Gastroesophageal reflux disease (GERD) is a common digestive disorder caused by reflux of acid in the stomach. GERD is more commonly referred to as a heartburn. Hydrochloric acid is naturally produced in the human stomach, which signals the gastric gland to secret gastric acid, which contains the essential digestive enzymes for breaking down protein molecules to enable easy digestion (Kahrilas, 2003). There are instances when too much or too little acid is produced. Too much secretion of the acid in the stomach causes an acid reflux to the esophagus, which results in a heartburn. This condition leads to an increase in the stimulation and production of gastric acid in the stomach. Gastric acid is a trigger to the symptoms of GERD. Offering dietary and lifestyle changes can reduce the amount of gastric acid produced in the stomach.

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PUD (Peptic Ulcer Disease) refers to the painful sores in the lining of the stomach, or the duodenum. This mainly occurs due to the disturbance of mucosal integrity in the stomach, caused by local inflammation, which eventually leads to a mucosal defect. Based on the pathophysiology, the disease can be either acute or chronic. The pathophysiology would include those caused by anti-inflammatory drugs, excess acid secretion or transferrable etiology ulcers. There is a likely chance of a person suffering from PUD when they experience a massive secretion of gastric acid. Increased secretion of gastric acid mostly occurs to people who have increased parietal cells.

Gastritis is the inflammation of the stomach's protective lining. Acute gastritis involves sudden severe inflammation, and chronic gastritis includes long-term inflammation that lasts for years if untreated. Gastritis is commonly caused by weaknesses in the stomach lining that allows digestive juices to inflame and damage it. There would be an increase in the production of gastric acid in the stomach of a person suffering from gastritis because their stomach wall would allow the acid to pass easily. Abnormal increase in the gastric secretion of the person would result in abdominal pain that would be caused by increased collision in the stomach.

How age affects the pathophysiology of GERD, PUD, and gastritis

It has been noted through various research that GERD in infants and children is more common than earlier thought, but it is more prevalent amongst the elderly. The elderly may suffer from abnormal reflux of acid into the esophagus. Elderly people….....

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