![](https://nthumb.tpgimages.com/mid2_com_img/1339/9208/TOP11722304.jpg)
Human embryo six weeks after fertilisation. The embryo is enclosed within a membrane called the amniotic sac. This contains amniotic fluid, which surrounds and protects the developing embryo. At eight weeks and beyond after fertilisation, the embryo is termed a foetus.
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Details
Creative#:
TOP11722304
Source:
達志影像
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RM
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須由TPG 完整授權
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NO
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NO
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No
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