embryonic knot

embryonic knot 基本解释

网络  单子叶植物的初生根由胚结

医学

重点词汇

• knotn. 结, 群, 难题 v. 打结, (使)纠缠
• embryonica. 萌芽的, 初期的, 未成熟 [医] 胚胎的

embryonic knot 双语例句

1. 1、 The bottom of the primitive amniotic cavity has differentiated into the ectoderm, about 72& 90 μ m in diameter. The endoderm of the lower surface of the embryonic knot continues to develop along the inner surface of the trophoblast to the equator.
   原羊膜腔底部分化为外胚层，径约72～90μm，胚结腹面的内胚层伸向滋养层内1/2赤道处。