Glucagon

Science / Biology / Glucagon: A hormone released by the pancreas that stimulates the breakdown of glycogen and the release of glucose, thereby increasing blood levels of glucose. Glucagon and insulin work together to maintain blood sugar levels.

Insulin

Science / Biology / Insulin: A hormone secreted by the pancreas that stimulates the uptake of glucose by body cells. Insulin works antagonistically with glucagon to control blood sugar levels. MORE

Pancreas

Science / Biology / Pancreas: A gland in the abdominal cavity that secretes digestive enzymes into the small intestine and also secretes the hormones insulin and glucagon into the blood, where they regulate blood glucose levels. A MORE

Pancreatic Islets

Science / Biology / Pancreatic Islets: Clusters of endocrine cells in the pancreas that secrete insulin and glucagon; also known as islets of Langerhans. MORE

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