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The third most important component of the digestive process is “samana [[vayu]]” which represents the regulation of the enteric nervous system, the sympathetic and parasympathetic supply of the autonomic nervous system.  
 
The third most important component of the digestive process is “samana [[vayu]]” which represents the regulation of the enteric nervous system, the sympathetic and parasympathetic supply of the autonomic nervous system.  
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[[File:Hcl.PNG|500px|'''Image 1:''' '''Secretion of HCL'''|thumb]]
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The action of "samana [[vayu]]" can be partially understood by the regulation of the secretion of HCL by parietal cells. The activities of the vagus nerve, the amount of gastrin from G cells and somatostatin from D cells, and the level of histamine play a vital role in this process.
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The action of "samana [[vayu]]" can be partially understood by the regulation of the secretion of HCL by parietal cells. The activities of the vagus nerve, the amount of gastrin from G cells and somatostatin from D cells, and the level of histamine play a vital role in this process.
  −
[[File:Hcl.PNG|500px|'''Image 1:''' '''Secretion of HCL'''|thumb]]
   
==Acid-Peptic Diseases==
 
==Acid-Peptic Diseases==
 
Acid peptic disorders include many conditions whose pathophysiology is directly related to the damage caused by acid and peptic activity of gastric secretions. It includes gastroesophageal reflux disease, peptic ulcer (gastric and duodenal), and stress-related mucosal injury. In all these conditions, mucosal erosions or ulcerations arise when the caustic effects of aggressive factors overwhelm the defensive factors of the gastrointestinal mucosa.
 
Acid peptic disorders include many conditions whose pathophysiology is directly related to the damage caused by acid and peptic activity of gastric secretions. It includes gastroesophageal reflux disease, peptic ulcer (gastric and duodenal), and stress-related mucosal injury. In all these conditions, mucosal erosions or ulcerations arise when the caustic effects of aggressive factors overwhelm the defensive factors of the gastrointestinal mucosa.
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