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
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Work 2. Analysis of digestive processes in the stomach.
1. The main components of the gastric juice are proteolytic enzymes - pepsins, hydrochloric acid (HCI)
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.
Transcribed Image Text:Work 2. Analysis of digestive processes in the stomach. 1. The main components of the gastric juice are proteolytic enzymes - pepsins, hydrochloric acid (HCI) 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.
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