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The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.

子房3室,中轴胎座。胚珠珠被,珠心

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Simple ovary, the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.The megaspore archesporium is initiated from sub-epidermis of nucellus.

矮沙冬青子房单心皮1室,边缘胎座,弯胚珠,胚珠具珠被、珠心。

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Let's Talk About Myths, Baby! | Greek Mythology & the Ancient Mediterranean

But we got lucky, and it made the placentation possible in mammals, which then created an entire tree of life in this way.

但我们幸运地发现, 这种逆转录病毒使得哺乳动物的胎盘可能,进而过这种方出了一整套生命体系。

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物种起源

In the flowers of Saponaria officinalis Dr. Masters has observed instances of both marginal and free central placentation.

在 Saponaria officinalis 的花中, Masters 博士观察到了边缘胎盘和游离中央胎盘的实例。

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