blastopore

blastopore

1. yolk plug Yolk within the blastopore.

卵黄栓胚孔里面的卵黄。

2. yolk blastopore

卵黄胚孔

3. blastopore lip

原口唇

4. An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.

原肠胚一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠

5. An embryo at the stage following the blastula,consisting of a hollow,two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.

原肠胚一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠。

6. primordial blastopore

原胚孔

7. Only the dorsal lip of the blastopore could induce altered development in the host

只有胚孔的背唇能够诱导宿主发育的改变。

8. Those eggs with unclosed blastopore at the early embryonic stage have lower hatching rate compared with the normal one.

在胚体初期，胚孔无法即时闭合的胚胎，孵化率明显较低。

9. blastopore rest

胚孔痕

10. Van Beneden's blastopore

范毕尼登(氏)胚孔

11. virtual blastopore

隐胚孔