Definition of pentagastrin in English:

pentagastrin

noun

Biochemistry
  • [mass noun] A synthetic peptide which has the same action as the hormone gastrin. It is used to promote gastric secretions prior to sampling them for tests.

    • ‘A synthetic compound based on this sequence, pentagastrin, is used clinically for tests of gastric acid secretion.’
    • ‘A single 10 mg dose of omeprazole has a modest effect on acid secretion, but after five days of continuing therapy, a 93% reduction in basal secretion and a 66% reduction in pentagastrin is seen.’

Pronunciation:

pentagastrin

/ˌpɛntəˈɡastrɪn/