Answer to Question #81211 in Other Biology for Aliza Khan
Nerve endings (vagus nerve) in the stomach secrete two stimulating neurotransmitters: acetylcholine and gastrin-releasing peptide. Their effect both directly on parietal cells, and is mediated by the secretion of gastrin from G cells and histamine from enterochromaffin-like cells. Gastrin acts on the parietal cells directly and indirectly, stimulating the release of histamine. The release of histamine is the most important mechanism for the positive regulation of gastric acid secretion in the stomach.
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