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Vasoactive intestinal polypeptide

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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This is a peptide that acts as a neurotransmitter in the gastrointestinal system. It originates from the pancreas and all the gut and increases intestinal secretion.

In excess VIP produces severe watery diarrhoea with hypokalaemia and achlorhydria, Verner-Morrison syndrome.


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