noun🔗ShareHistamine 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."The itchy rash was caused by the release of histamine in response to the bug bite. "Vết phát ban ngứa ngáy này là do cơ thể giải phóng histamine để phản ứng lại vết côn trùng cắn.medicinephysiologybiochemistrybiologychemistrysubstancebodyChat với AIGame từ vựngLuyện đọc