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    chalaza

    详细解释:n. 卵黄系带
    【医】 合点(植物), 卵带

    词型变化:

    形容词:chalazal名词复数:chalazae

    英语解释:

    名词 chalaza:

    basal part of a plant ovule opposite the micropyle; where integument and nucellus are joinedone of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell

    详细解释:


    cha.la.za

    n.(名词)
    【复数】 cha.la.zae[-zô] 或 cha.la.zas
    Biology One of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell.
    【生物学】 卵黄系带:鸡蛋内将蛋黄和蛋壳任一端的内膜连接的两个螺旋的带状组织之一
    Botany The region of an ovule that is opposite the micropyle, where the integuments and nucellus are joined.
    【植物学】 合点:珠孔对面的胚珠内结合珠被和珠心的一个区域

    来源:
    Greek khalaza [hard lump, hailstone]
    希腊语 khalaza [硬块,雹块]

    【引伸】
    chala.zal
    adj.(形容词)