英语词汇chorionic ectoderm怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	chorionic ectoderm
释义	chorionic ectoderm 简明释义绒膜外胚层双语例句 1 We discovered that CAM ec on day 8, 10, and 12 after incubation localized beneath the chorionic ectoderm, but with the age growing, ec gradually migrated toward ectoderm from mesenchyme. 发现鸡胚在第8、10、12天胚龄时CAM EC都位于外胚层绒毛膜上皮之下，随胚龄增大，EC逐渐由中胚层移向外胚层。
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