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搜索结果: 1-4 共查到国际动态 Embryos相关记录4条 . 查询时间(0.066 秒)
In its earliest stages, long before it sprouts its signature appendages, a starfish embryo resembles a tiny bead, spinning through the water like a miniature ball bearing.
University of Illinois researchers have developed a way to produce 3-D images of live embryos in cattle that could help determine embryo viability before in vitro fertilization in humans.Infertility c...
New research on the teeth of fossilized dinosaur embryos indicates that the eggs of non-avian dinosaurs took a long time to hatch—between about three and six months. The study, led by scientists at Fl...
But a newly described 305-million-year-old fossil found in eastern France shows that wasn’t always the case. New research published today in the journal Current Biology and led by scientists at the Am...

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