鸣囊 saccus vocalis，vocal sac

互联网2013-11-14

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在两栖类无尾类的许多种类的雄性中，使咽壁向外膨出形成膜状的球形囊，这个囊称为鸣囊，由很小的开口与咽头相连，鸣叫时膨涨，起共鸣器的作用。

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