WebThis problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer See Answer See Answer done loading WebFeb 25, 2024 · Digestion in the Stomach. As the bolus approaches the stomach, a ring-like muscle called the lower esophageal sphincter relaxes, allowing the chewed food to enter. Peristalsis mixes the bolus with gastric secretions containing hydrochloric acid (HCl), hormones and digestive enzymes to produce a thick slurry called chyme.

9.5: The Stomach - Biology LibreTexts

WebImpulses from the vagus nerve and the hormonal secretions of gastrin and secretin stimulate the release of pepsinogen into the stomach, where it is mixed with hydrochloric acid and rapidly converted to the active enzyme pepsin. The digestive power of pepsin is greatest at the acidity of normal gastric juice (pH 1.5–2.5). WebDoes sodium neutralize stomach acid? Sodium bicarbonate , also known as baking soda, is used to relieve heartburn, sour stomach, or acid indigestion by neutralizing excess stomach acid. When used for this purpose, it is said to belong to the group of medicines called antacids. It may be used to treat the symptoms of stomach or duodenal ulcers. code clicking legends x

digestive system chapter 22 Flashcards Quizlet

WebThe best-known component of gastric juice is hydrochloric acid, the secretory product of the parietal, or oxyntic cell. It is known that the capacity of the stomach to secrete HCl is almost linearly related to parietal cell … WebThe pathways regulating gastric acid secretion may be categorized as neural, paracrine, and hormonal; the hormonal pathways are the focus of this review. During meal ingestion, the main hormone responsible for stimulating acid secretion is gastrin, which acts primarily by releasing histamine from enterochromaffin-like cells. WebAcid secretion is initiated by food: the thought, smell, or taste of food effects vagal stimulation of the gastrin-secreting G cells located in the distal one third (antrum) of the stomach. The arrival of protein to the stomach further stimulates gastrin output. Circulating gastrin triggers the release of histamine from enterochromaffin-like ... code closers forum