Delta cells (δ–cells)
Pancreatic delta cells (δ–cells) secrete the hormone somatostatin (SST). δ–cells are also present in the hypothalamus, central nervous system (CNS), peripheral neurons and the gastrointestinal tract.
Unit 3,
Reference: Brereton MF, Vergari E, Zhang Q, Clark A. Alpha-, Delta- and PP-cells: Are They the Architectural Cornerstones of Islet Structure and Co-ordination?. J Histochem Cytochem. 2015;63(8):575-591.