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pharyngeal pouch
释义
pharyngeal pouch
Encyclopedia
医学
人体胚胎学
释
pharyngeal pouch
咽囊
人胚第4周时,原始咽的内胚层向外侧膨出,形成与鳃沟相对应的5对囊状突起。
Biology
pharyngeal pouch
咽囊
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