Work 2. Analysis of digestive processes in the stomach. 1. The main components of the gastric juice are proteolytic enzymes - pepsins, hydrochloric acid (HCl) and mucus. Analyze the composition of the gastric juice and complete the table 8 to note the physiological role of the cells of the gastric mucosa. Table 9. Physiological role of gastric mucosa cells PRODUCTS CELLS Proteolytic enzymes HCI Mucus Castle's intrinsic factor Main functions of hydrochloric acid (HCl) are 1. 2. 3. 4. 5. Castle's intrinsic factor is necessary for In different parts of the stomach, the pH values are different, since the HCl-producing cells are located unevenly; acidity is reduced to the pyloric part which borders with the duodenum, where the medium is slightly alkaline. To provide the cleavage of proteins to peptones throughout the entire volume of the stomach, several pepsins are produced, which act at different pH values.
Work 2. Analysis of digestive processes in the stomach. 1. The main components of the gastric juice are proteolytic enzymes - pepsins, hydrochloric acid (HCl) and mucus. Analyze the composition of the gastric juice and complete the table 8 to note the physiological role of the cells of the gastric mucosa. Table 9. Physiological role of gastric mucosa cells PRODUCTS CELLS Proteolytic enzymes HCI Mucus Castle's intrinsic factor Main functions of hydrochloric acid (HCl) are 1. 2. 3. 4. 5. Castle's intrinsic factor is necessary for In different parts of the stomach, the pH values are different, since the HCl-producing cells are located unevenly; acidity is reduced to the pyloric part which borders with the duodenum, where the medium is slightly alkaline. To provide the cleavage of proteins to peptones throughout the entire volume of the stomach, several pepsins are produced, which act at different pH values.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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