alpha cell

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alpha cell

Etymology: Gk, alpha, first letter of the Greek alphabet; L, cella, storeroom
one of a class of cells located in the adenohypophysis or in the pancreatic islets. Alpha cells in the pancreas produce glucagon, which raises the level of glucose in the blood.

alpha cell

A cell of the islets of Langerhans which produces glucagon in response to hypoglycaemia, growth hormone and some amino acids.

alpha cell

1. An enteroendocrine cell that produces glucagon and is found in the pancreatic islets. Synonym: A cell
2. An acidophil of the adenohypophysis (anterior pituitary gland).
See also: cell