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placenta [plə'sentə]
基本释义
- n. 胎盘,胎座
词形变化
- 复 数:pla·cen·tas or pla·cen·tae形容词:pla·cen'tal
常用短语
参考例句
- A stalk connecting an ovule or a seed with the placenta.
珠柄与胚珠或含胎座的种子相接的叶柄 - The type or structure of a placenta.
胎盘形式或构造 - Formation of a placenta in the uterus.
胎盘形成胎盘在子宫中的形成过程 - Arrangement of placentas within the ovary.
胎座式子房内胎座的组成形状
- A stalk connecting an ovule or a seed with the placenta.
英英解释
2个名词解释
- that part of the ovary of a flowering plant where the ovules form
- the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus