인체 내 세포에서 부상이나 알레르기 반응 시 방출되어 평활근 수축과 모세혈관 확장을 유발하는 유기 화합물.
A compound which is released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.
예문:
"The body releases histamine in response to allergens like pollen or pet dander."
"Histamine causes the blood vessels to dilate, leading to redness and swelling."
"Antihistamines are used to block the effects of histamine during an allergic reaction."