noun[mass noun] Biochemistry
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.
More example sentences
- 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.
Definition of pentagastrin in:
- The US English dictionary