Glucagon
Insulin's counter-regulatory partner: it raises blood glucose by signaling the liver to break down glycogen and make new glucose, protecting against hypoglycemia between meals.
Too little may be associated with
Impaired defense against low blood sugar.
Too much may be associated with
Elevated blood glucose; seen in some pancreatic tumors (glucagonoma).
Informational only — not medical advice.
Organ systems
Stimuli that influence it
Behaviors
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