查询词典 yolk

By two months, the yolk sac becomes redundant and shrivels away.

两个月的时候，卵黄囊就已经失去了作用，慢慢萎缩变小。

After 24,32 and 48 hrs exposure, resulted in relevant decrease in yolk sac diameter, the formation of blood vessel network, a...

提示氟对卵黄囊结构和功能的损害可能是其对啮齿类动物胚胎毒性作用的重要环节之

Until about three months in the womb, baby sharks feed off a yolk sac.

胚胎发育的前三个月，柠檬鲨宝宝是由一个卵黄囊来提供养分的。

During human and fetal development, yolk sac, fetal liver, spleen and bone marrow give birth to blood cells in turn.

在胚胎与胎儿期，依次由卵黄囊、肝、脾、骨髓完成造血；出生后，骨髓成为主要的造血场所。

When the yolk sac disappeared, it was developed from the embryo to the pre-larva.

胚后发育以卵黄囊的消失为依据，划分为前期仔鱼。

The 44 days of pregnancy, B-shows may see yolk sac, the doctor said that embryos may be too small to see, or it may be bad embryos.

怀宝宝44天了，B超显示卵黄囊似见，医生说可能是胚胎太小看不见，也可能是胚胎不好。

The first hemopoietic organ in embryos was the yolk sac.

发现胚胎期首先出现的造血器官是卵黄囊。

On the 14th day after yolk sac had disappeared, gonad had differentiated to ovary.

生殖腺中卵的成熟及卵巢腔的形成是「由前往后之层次」成熟，在卵黄囊消失后第四十九天的鱼苗，卵巢的发育至周边核仁期。

When the water temperature is 29-31 ℃,the time of hatch is 19 h.The yolk sac is disappear basically after 70 h.Larvae begin to eat after 90 h.

在水温2931℃时，孵化时间为19 h，孵出仔鱼后70 h卵黄囊基本消失，90 h开始摄食。

Comparison of genes in yolk sac cells with a total of 1 200 genes in the control cells, 79 genes differently expressed between the two groups were detected.

在神经管缺陷大鼠胚胎卵黄囊细胞和对照组1 200个基因中，共筛选出表达差异基因79个，其中42个基因表达上调、37个基因表达下调。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。