Vocab Bloom Hub

chalaza

/kəˈleɪ.zə/

翻译: 名词,指植物胚珠基部珠被与珠心相连的部位(合点),或指鸡蛋中连接蛋黄与蛋壳两端的两条螺旋状韧带(卵黄系带)。

1 个条目

noun

/kəˈleɪ.zə/C2formalscientific
  • zh名词,指植物胚珠基部珠被与珠心相连的部位(合点),或指鸡蛋中连接蛋黄与蛋壳两端的两条螺旋状韧带(卵黄系带)。

A noun referring to either the basal part of a plant ovule where the integument and nucellus are joined, or one of two spiral bands of tissue that connect the egg yolk to the enclosing membrane at either end of the shell.

  1. Plant ovule structureC2formalscientific

    The basal part of a plant ovule, located opposite the micropyle, where the integument and nucellus are joined.

    zh合点

    • The chalaza is essential for nutrient transport to the developing embryo.
    • In many angiosperms, the chalaza is the point where the funiculus attaches.
    • Botanists study the chalaza to understand seed development.
  2. Egg yolk anchorB2formalscientific

    One of two spiral bands of tissue that connect the egg yolk to the enclosing membrane at either end of the shell, keeping the yolk centered.

    zh卵黄系带

    • When you crack an egg, you may see the chalaza attached to the yolk.
    • The chalaza helps maintain the yolk's position inside the egg.
    • Some cooks remove the chalaza for a smoother texture in custards.
词形
  • chalazae plural form
  • chalazas plural form
  • chalazae's possessive plural form
  • chalazas' possessive plural form
  • chalaza's possessive singular form