The signals for and the response of the parasympathetic nervous system in the process of digestion. Introduction: The stomach is one of the hollow organs that form the gastrointestinal tract. The inner lining of the stomach is made up of thick mucous membrane. The surface of this membrane is spotted with numerous small openings known as gastric pits, situated at the terminal part of the tubular gastric glands. The three types of secretory cells are present in the gastric glands. They are mucous cells, chief cells, and parietal cells. These cells are involved in the secretions of gastric juices.

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Chapter 15, Problem 12CA

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To explain: The signals for and the response of the parasympathetic nervous system in the process of digestion.

Introduction: The stomach is one of the hollow organs that form the gastrointestinal tract. The inner lining of the stomach is made up of thick mucous membrane. The surface of this membrane is spotted with numerous small openings known as gastric pits, situated at the terminal part of the tubular gastric glands. The three types of secretory cells are present in the gastric glands. They are mucous cells, chief cells, and parietal cells. These cells are involved in the secretions of gastric juices.

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