Vasoactive intestinal polypeptide

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vasoactive intestinal polypeptide

A polypeptide hormone secreted most commonly by non-beta islet cell tumours of the pancreas, producing copious watery diarrhoea and faecal electrolyte loss, particularly hypokalaemia; vIP increases the rates of glycogenolysis; stimulates pancreatic bicarbonate secretion.

Synonym: vasoactive intestinal peptide.