bradykinin

As nouns the difference between bradykinin and histamine

is that bradykinin is (biochemistry) one of the kinins, a nonapeptide that reduces blood pressure by dilating blood vessels while histamine is (neurotransmitter) an amine, c₅h₉n₃, formed by decarboxylation of histidine, that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion; it is released during allergic reactions.

As nouns the difference between nonapeptide and bradykinin

is that nonapeptide is (biochemistry|organic chemistry) an oligopeptide formed from nine amino acids while bradykinin is (biochemistry) one of the kinins, a nonapeptide that reduces blood pressure by dilating blood vessels.

As nouns the difference between kinin and bradykinin

is that kinin is quinine or kinin can be kinin while bradykinin is (biochemistry) one of the kinins, a nonapeptide that reduces blood pressure by dilating blood vessels.