Which one of the following four secretions is correctly matched with its source, target and nature of action?

Step-by-step solution

Gastrin is a polypeptide hormone produced by the enteroendocrine cells of the stomach. It plays an important role in the control of gastric acid secretion. Inhibin hormone is secreted from corpus luteum, placenta and testes. It supplements the effect of excess sex hormones for depressing gonadotrophic activity ( FSH , LH , ICSH ) target of inhibin is anterior lobe of pituitary. Duodenal enterokinase converts trypsinogen to activate trypsin which, in turn, activates the other pancreatic enzymes. Atrial natriuretic f