胚

• Embryo has most commonly eight genetically identical haploid nuclei .
  胚囊，普通具有8个遗传上相同的单倍体核。
• These substances are slowly depleted as the embryo commences to grow .
  随着胚开始生长，这些物质也慢慢用尽了。
• The root system of the soybean consists of a taproot formed by the radicle .
  大豆的根系包括由胚根形成的主根。
• Its functions are like a zygotic embryo in giving rise to a new plant .
  其功能就象合子胚，都能产生一株新植物。
• These plants develop elaborate haustorial structures from the suspensor .
  这些植物从胚柄中发育出精致的吸器组织。
• The cotyledons of the mature embryo are either green, yellow or chalky yellow .
  成熟胚的子叶是绿色，黄色或浅黄色。
• Most grass embryos have a flap-like structure known as the epiblast .
  大多数禾本科胚有一片瓣状结构通常称为外胚叶。
• The occurrence of more than one embryo in the ovule denotes polyembryony .
  在胚珠中有一个以上的胚发生是表示多胚现象。
• Great success in embryoid induction in a number of plants has been obtained .
  在许多植物中诱导胚状体已得到很大的成功。
• The cells of the quadrant in turn become partitioned to form the eight-celled embryo .
  四分体细胞于是分裂形成八细胞胚。