MICROANATOMY

Detailed explanation-1: -The -cells secrete glucagon as a response to low blood glucose. The major function of glucagon is to release glucose from the glycogen stores in the liver.

Detailed explanation-2: -Alpha cells (A cells) secrete the hormone glucagon. Beta cells (B cells) produce insulin and are the most abundant of the islet cells.

Detailed explanation-3: -Alpha cells ( cells) are endocrine cells that are found in the Islets of Langerhans in the pancreas. Alpha cells secrete the peptide hormone glucagon in order to increase glucose levels in the blood stream. Pancreatic islets (islets of Langerhans).