glucagon

n. a polypeptide hormone, secreted by the A cells of the islets of Langerhans, that increases the concentration of glucose in the blood. It opposes the effects of insulin by promoting the breakdown of glycogen and fat reserves to yield glucose. Glucagon is administered therapeutically to relieve symptoms of hypoglycemia.

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Psychology term of the day

November 18th 2024

broadband

n. any of a number of transmission media with very high bit-rate capacity, including fiber optics, cable modems, and wireless networks, that enable the transmission of multiple signals to computers at rates of tens of millions of bits per second.