brad.y.ki.nin
n.（名词）A biologically active polypeptide, consisting of nine amino acids, that forms from a blood plasma globulin and mediates the inflammatory response, increases vasodilation, and causes contraction of smooth muscle.血管舒缓激肽：一种生物活性多肽，由九个氨基酸组成，形成于血浆球蛋白，能调控炎症反应、促进血管舒张、引起平滑肌收缩
