您要查找的是不是：
- placenta velamentosa 帆状胎盘
- Formation of a placenta in the uterus. 胎盘形成胎盘在子宫中的形成过程
- The type or structure of a placenta. 胎盘形式或构造
- Having no placenta, as marsupials and monotremes. 无胎盘的无胎盘的，如有袋目哺乳动物和单孔目动物
- Earlier studies linked the placenta to the disease. 早期的研究认为，该病与胎盘有关。
- Fraternal twins share one placenta. 异卵双生共享一个胎盘。
- Having no placenta,as marsupials and monotremes. 无胎盘的无胎盘的，如有袋目哺乳动物和单孔目动物
- 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
- A stalkconnecting 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 edge of the placenta is at the margin of the internal os. 边缘性前置胎盘
- EXPRESSION OF PCNA AND FIBRONECTIN IN PLACENTA OF EARLY ABORTION. 增殖细胞核抗原、纤粘连蛋白在早期自然流产患者胎盘中的表达。
- CRH is said to be "placenta bioclock" during pregnancy. 妊娠期CRH是分娩启动的“生物钟”。
- There was significant more infarct in the placenta of ICP patients. ICP患者胎盘发生梗死率明显高于正常妊娠组;
- Ovule primordia occur from placenta in mid November. 十一月中旬时胚珠原体凸出胎座表面。
- The placenta was of the diffused and epithelio-chorial type. 胎盘为弥散型及上皮绒毛膜型胎盘。
- English: Placenta in bag with cut navel cord jutting out. 中文:从胎盘袋子中拉出的剪断的脐带。
- DNA isolated from human placenta was supplied to the mice orally. 机体的生长、发育与衰老均与核酸代谢密切相关。
- Placenta bears more important research value as local immunological barrier. 胎盘作为局部免疫屏障具有重要的研究价值。
- Eat the placenta to eat to people on earth, how to think about the placenta? 吃胎盘到底是不是吃人,如何看待胎盘?
- The fat-soluble vitamins(A, D and E)seem to be impeded by the placenta. 似乎胎盘阻碍脂溶性维生素（A，D和e）的通过。
