胚泡经过细胞分裂和分化后,渐渐发育成胚胎,并于怀孕8周后左右发育成胎儿.这句话对么?胚泡就是胚胎么?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 02:11:13
![胚泡经过细胞分裂和分化后,渐渐发育成胚胎,并于怀孕8周后左右发育成胎儿.这句话对么?胚泡就是胚胎么?](/uploads/image/z/3017043-27-3.jpg?t=%E8%83%9A%E6%B3%A1%E7%BB%8F%E8%BF%87%E7%BB%86%E8%83%9E%E5%88%86%E8%A3%82%E5%92%8C%E5%88%86%E5%8C%96%E5%90%8E%2C%E6%B8%90%E6%B8%90%E5%8F%91%E8%82%B2%E6%88%90%E8%83%9A%E8%83%8E%2C%E5%B9%B6%E4%BA%8E%E6%80%80%E5%AD%958%E5%91%A8%E5%90%8E%E5%B7%A6%E5%8F%B3%E5%8F%91%E8%82%B2%E6%88%90%E8%83%8E%E5%84%BF.%E8%BF%99%E5%8F%A5%E8%AF%9D%E5%AF%B9%E4%B9%88%3F%E8%83%9A%E6%B3%A1%E5%B0%B1%E6%98%AF%E8%83%9A%E8%83%8E%E4%B9%88%EF%BC%9F)
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