English Dictionary

histamine

/ˈhɪstəmiːn/

noun

(biochemistry) 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.

Histamine is released during an allergic reaction.

意味（1）

(biochemistry) 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.

Mellanby and Twort have isolated from the fæces a bacillus which is able to produce from one of the amino acids normally formed in digestion of proteins a highly active body, histamine.