micropyle
n. [植] 珠孔；[动] 卵孔
例句
On this butterfly egg, the lacy pattern marks the micropyle, where sperm enters.
在这种蝴蝶卵上，花边图案标记精子进入的卵孔。
The micropyle was formed by the inner integument.
珠孔由内珠被形成。
The micropyle is formed with inner integuments and partial outer integument.
珠孔由内珠被和腹侧外珠被构成。
