synergid是什么意思   synergid怎么读

synergid单词基本解析：

synergid变化用词：

synergid英英释义：

synergid中文词源：

synergid用法和例句：

synergid

Pollen tube entered and destroyed one synergid and released successive round staff between egg and central cells.One sperm nucleus entered egg and the other entered central cell.

两个精核分别进入卵细胞和中央细胞分别与卵核和极核融合。

After pollination one synergid degenerates and one synergid still exists during the ellipsoidal embryo stage and undergoes a slow degeneration.

传粉后，一个助细胞退化，宿存助细胞至椭形胚期尚存在。

synergid nuceli

助核

synergid haustorium

助细胞吸器

The synergid possesses a larger nucleus located in the expanded portion of the cell and many small vacuoles throughout the cytoplasm.

助细胞有一较大的核，位于细胞膨大的部位，众多的小液泡遍布细胞质中。

synergid embryo

助细胞胚

Additional embryo resulted from the fertilized synergid was observed in T. chinensis.

助细胞被受精产生多胚现象。

Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants.

助细胞：存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。

Keywords Chemical;process;zinc chloride;powdered active carbon;zinc consumption;synergid activator;

化学法;氯化锌;粉状活性炭;锌耗;助活化剂;

Mature embryo sac has 8 nucleis.Egg cell has obvious polarity.One synergid degenerates before fertilization, the other does after fertilization.

成熟胚囊为八核七细胞，卵细胞极性明显，助细胞在极核融合前已退化一个，另一个宿存，宿存助细胞丝状器明显，并保留退化助细胞的痕迹。

degenerated synergid

托盘状花冠, 低托杯状花冠

Pollen tube entered one synergid, and released two sperms between egg and central cells.

精子脱掉细胞质鞘后，形成精核与细胞质体；

The cell wall surrounds the cell, but its chalzal ends and the lateral wall with synergid is discontinuous.

细胞外被细胞壁，其合点端及侧方与助细胞共同壁不连续。

There are commonly eight nuclei in the embryo sac: the egg apparatus at the micropylar end, made up of an gee nucleus and two synergid nuclei;

胚囊：是存在于显花植物胚珠珠心中的一个大型椭圆状的囊状结构，卵细胞受精和随后的胚胎发育均在这里进行。

degenerate synergid

退化助细胞

persistent synergid

酸土植物

The persistent synergid may still have a synthetic function as its cell wall becomes thick and lipids occur.
因宿存助细胞壁变厚，细胞质内出现脂滴，宿存助细胞可能仍有合成功能。

The cell wall surrounds the cell, but its chalzal ends and the lateral wall with synergid is discontinuous.
细胞外被细胞壁，其合点端及侧方与助细胞共同壁不连续。