n.组织胺
Histamine causes vasoconstriction and increased permeability of small venules. 组织胺能引起血管收缩，并增强小静脉的透性。
Prevent the channel from working and that would stop the release of histamine. 如果能够阻止这个通道的活动就能阻止组胺的释放。
n.抗组胺剂
名词antihistamine的复数形式
