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D Cells

Endocrine Cells found throughout the Gastrointestinal Tract and in islets of the Pancreas. D Cells secrete Somatostatin that acts in both an endocrine and paracrine manner. Somatostatin acts on a variety of Tissues including the Pituitary Gland; Gastrointestinal Tract; Pancreas; and Kidney by inhibiting the release of Hormones, such as Growth Hormone; GASTRIN; Insulin; and Renin.