What Are The Three Major GI Hormones Quizlet?

What Are The Three Major GI Hormones Quizlet? Gastrin activates ECL and parietal cells. ECL cells (stomach body) secrete histamine. histamine stimulates parietal cells to secrete gastric acid. acid stimulates D-cells to release somatostatin. Somatostatin inhibits gastric acid secretion. What are the hormones of the GI tract? The GI hormones that regulate gut mucosal growth