切除肥大扁桃体后，于腭咽弓上极向外上方剪开，达肌层，形成软组织瓣。
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.
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.
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