Question

Alpha cells of islets of langerhans secrete glucagon are

Answer 1

Are present in pancreas

Answer 2

Hormones produced in the pancreatic islets are secreted directly into the blood flow by (at least) five types of cells. In rat islets, endocrine cell subsets are distributed as follows: Alpha cells producing glucagon (20% of total islet cells) Beta cells producing insulin and amylin (≈70%)