When blood glucose drops, is released to stimulate the release of glucose stored as glycogen?

Glucagon, liver

When blood glucose drops, glucagon is released to stimulate the release of glucose stored as liver glycogen

Glucagon is a peptide hormone, secreted by alpha cells in a part of the pancreas known as the islets of Langerhans. Glucagon is considered as an essential catabolic hormone of the body as it functions by increasing the concentration of glucose and fatty acids in the bloodstream. The glucagon also prevents the liver from absorbing some glucose. This allows more glucose to enter the bloodstream in order to maintain stable levels.