<Li> gastrin - 17 ("little gastrin") </Li> <Li> gastrin - 14 ("minigastrin") </Li> <P> Also, pentagastrin is an artificially synthesized, five amino acid sequence identical to the last five amino acid sequence at the C - terminus end of gastrin . The numbers refer to the amino acid count . </P> <P> Gastrin is released in response to certain stimuli . These include: </P>

What will trigger the release of hormone gastrin in the stomach