The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.
子房3室,中轴胎座。胚倒,被,。
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.
要矮沙冬青子房单皮1室,边缘胎座,弯胚,胚具被、。
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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, 逆转录病毒使得哺乳动物的胎盘形成成为,而过式孕育出了一整套生命体系。
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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