1. What cells of the gastric glands, found within the stomach, secrete mucous, h
ID: 59438 • Letter: 1
Question
1. What cells of the gastric glands, found within the stomach, secrete mucous, hydrochloric acid, and pepsinogen, histamine, and gastrin? How do each of these products function in digestion? What are two common methods to treat GERD?
2. How does the small intestine protect itself against pathogenic bacteria that may be ingested? What do you consider to be the most important structures and related processes within the small intestine that facilitate breakdown and absorption of food particles?
3. Give two examples of how do the enteric and autonomic nervous systems regulate digestion.
*Please give a few sentences for each answer.
Explanation / Answer
What cells of the gastric glands, found within the stomach, secrete mucous, hydrochloric acid, and pepsinogen, histamine, and gastrin? How do each of these products function in digestion?
Cells
Function/secretion
Region/site/location
Stomach
Foveloar cells
Secrete mucus gel layer
Fundic, cardiac, pyloric regions of stomach
Parietal cells
Secrete gastric acid and intrinsic factors
Fundic region of stomach
Chief cells
Secrete pepsinogen and gastric lipase
Fundic region of stomach
Enteroendocrine cells
Secrete hormones like gastrin, histamine, serotonin, somatostatin
Fundic, cardiac, pyloric regions of stomach
Hydrochloric acid
Parietal cells
secrete gastric acid like HCl
Stomach fundus
Muscous
Mucous cells
Secrete mucus that is rich in glycoproteins
lining of organ systems.
Gastrin
Parietal cells
Secrete gastric acid and intrinsic factors
Fundic region of stomach
Pepsinogen
Chief cells
Secrete pepsinogen and gastric lipase
Fundic region of stomach
Histamine
Basophils and mast cells
Involved in immune responses
Gut
What are two common methods to treat GERD?
Gastroesophageal reflux disease (GERD) is medical condition, in which content in the stomach returns to esophagus giving acid burn feeling.
The two common methods to treat GERD is:
Taking antacid medicines every day for years.
Undergoing surgery to strengthen the barrier between the stomach and esophagus.
Cells
Function/secretion
Region/site/location
Stomach
Foveloar cells
Secrete mucus gel layer
Fundic, cardiac, pyloric regions of stomach
Parietal cells
Secrete gastric acid and intrinsic factors
Fundic region of stomach
Chief cells
Secrete pepsinogen and gastric lipase
Fundic region of stomach
Enteroendocrine cells
Secrete hormones like gastrin, histamine, serotonin, somatostatin
Fundic, cardiac, pyloric regions of stomach
Hydrochloric acid
Parietal cells
secrete gastric acid like HCl
Stomach fundus
Muscous
Mucous cells
Secrete mucus that is rich in glycoproteins
lining of organ systems.
Gastrin
Parietal cells
Secrete gastric acid and intrinsic factors
Fundic region of stomach
Pepsinogen
Chief cells
Secrete pepsinogen and gastric lipase
Fundic region of stomach
Histamine
Basophils and mast cells
Involved in immune responses
Gut
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