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    micropyle

    详细解释:【医】 卵孔, 珠孔

    词型变化:

    形容词:micropylar

    英语解释:

    名词 micropyle:

    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)