Which of the following hormones is produced by the delta cells of the pancreas?

A Insulin
B Glucagon
C Somatostatin ✓
D Pancreatic polypeptide

Explanation

Somatostatin is a hormone produced by the delta cells of the pancreas, which plays a role in regulating the secretion of other pancreatic hormones, including insulin and glucagon.

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Pancreatic Hormones Medium MEDICAL Confidence: high