minute opening in the wall of an ovule through which the pollen tube enters
详细解释:
mi.cro.pyle n.(名词)Botany A minute opening in the ovule of a seed plant through which the pollen tube usually enters.【植物学】 珠孔:种子植物胚珠上的小开口,通常花粉管由此进入胚珠Zoology A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.【动物学】 卵膜孔:一些动物卵细胞覆盖膜上的小孔,精子可由此进入 来源:micro-micro-Greek pulô [gate] 希腊语 pulô [门] 【引伸】 mi.cropy.lar adj.(形容词)