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islets of Langerhans

clusters of endocrine cells within the pancreas. The A (or alpha) cells secrete glucagon, the B (or beta) cells secrete insulin, and the D (or delta) cells secrete somatostatin. Together these hormones play a key role in regulating blood sugar and carbohydrate metabolism. [Paul Langerhans (1847–1888), German anatomist]

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Psychology term of the day

January 18th 2025

confidence limit

confidence limit

either of the values at the upper and lower ends of a confidence interval, which provide an estimated range for the value of a population parameter. Also called confidence bound.