后对文蛤鳃酸性磷酸酶 aaciphatase ; ACP
用显微解剖术和扫描电镜方法观察第11～21期鸡胚鳃器官的形态结构．鸡胚鳃器官由4对鳃弓、鳃沟、鳃膜和咽囊组成。
The morphogenesis of the branchial apparatus was examined by scanning electron microscopy in chick embryos from stages 11 to 21.
事实上，一些裸鳃亚目动物会从它们的食物中储存毒素，使得这种类似鼻涕虫的生物对捕食者来说是致命的。
Indeed, some nudibranchs store up toxins from their diet of poisonous sponges, making the slug-like creatures themselves deadly to predators.
七鳃鳗没有对乙醇做出反应，但当闻到死亡气息时，它们飞速的向反方向逃离。
They didn't react to the ethanol, but when they smelled death, they quickly swam the other way.
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