Which Is the Cephalic Phase?

Robert Thorne
Robert Thorne
• • 6 min read

The Cephalic Phase of Gastric Secretion Gastric Secretion Gastric Acid, Gastric Juice, or Stomach Acid, Is a Digestive Fluid Formed Within the Stomach Lining...

Which Is the Cephalic Phase?

The cephalic phase of gastric secretion

gastric secretion
Gastric acid, gastric juice, or stomach acid, is a digestive fluid formed within the stomach lining. With a pH between 1 and 3, gastric acid plays a key role in digestion of proteins by activating digestive enzymes, which together break down the long chains of amino acids of proteins.
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occurs before food enters the stomach, especially while it is being eaten. It results from the sight, smell, thought, or taste of food; and the greater the appetite, the more intense is the stimulation.

What is the cephalic phase of the human body?

The cephalic phase of digestion is the stage in which the stomach responds to the mere sight, smell, taste, or thought of food. About 20% of total acid secretion occurs before food enters the stomach.

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What is the cephalic phase of gastric secretion?

During the cephalic phase, gastric acid and pepsinogen secretion is activated by the thought, sight or smell of food, and by food in the mouth. The mechanisms of control of gastric secretion during the cephalic phase are summarized in Figure 4.11. Emotions also influence gastric secretion.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor
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Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.