the dilated portion of a canal or duct especially of the semicircular canals of the ear
a flask that has two handles; used by Romans for wines or oils
例句
用作名词 (n.)
The ampulla comprises about half of the oviductal length. 壶腹约占输卵管全长的一半。
Moreover, when he happened to switch on an electric field near the opening of a tube connected to an ampulla, the firing pattern changed. 当他碰巧打开连通壶腹管子开口附近的电场时,神经冲动样式也跟著改变。