gastrula stage
英
美
原肠胚期
双语例句
- The results showed: At gastrula stage, the cells in front of the embryonic area gradually cleave to form optic disc rudiment.
在原肠期，胚区前端的外胚层细胞增殖形成视叶原基。 - The incubation period is 66 hours from 18 to 22 ℃. The embryonic development process can be divided into 6 stages, including fertilized egg, cell cleavage, blastula, gastrula, neural stage and organ formation, and there are thirty-one developmental phases observed noticeably.
在水温18~22℃条件下，胚胎从受精到孵化出膜历时66h，经过了胚盘形成期、卵裂期、囊胚期、原肠胚期、神经胚期、器官分化期6个主要阶段。 - Embryonic development period including 4 stages: gastrula stage, early trochophore stage in egg membrane, late trochophore stage in egg membrane and at the moment of hatching stage;
胚胎发育阶段有4个时期：原肠期、担轮幼体早期、担轮幼体晚期和担轮幼体孵化瞬期。 - Embryos at 4~ 8 cell stage showed higher survival rate and lower abnormal embryo rate than embryos at multicellular stage or early gastrula stage when radiated at the same dose and dose rate.
在相同剂量和剂量率下，处于4~8细胞期的胚胎存活率比多细胞期和囊胚早期高，而畸形率低。 - However, the embryos at gastrula or heart beating stage were very sensitive to UV irradiation, showing just damage effect, which was very strong even at very low amount of the UV irradiation.
而处于原肠期和心脏搏动期的胚胎对UV辐射非常敏感，而且只表现出损伤效应，既使是较低的剂量，损伤作用也很强。 - But the development of the CNS is almost mormal when embryos were treated with RA after the gastrula stage, then it did not inhibit the gastrulation and consequently neural induction.
但在原肠中期以后处理的胚胎，神经系统发育基本正常，因此说明视黄酸并不抑制原肠作用和随后的神经诱导。 - When the cleavage furrow of the two cell stage was irradiated with an energy density of 623 μ J/ μ m~ 2, most of the embryos died in the gastrula stage.
用623μJμm~2能量密度照射二细胞期卵裂沟的卵，多数只能发育至原肠胚，少数发育成为头部分化不全的蝌蚪而死亡。 - The results showed that, the digestive canal initiated from the gastrocoele, which was formed by invagination at gastrula stage.
结果表明，单环刺消化道起源于原肠胚期内陷而成的原肠腔； - The results showed that water content decreased first, then increased in the gastrula stage of embryonic development, reached the highest content at the second phrase larvae stage and then began to decrease from the third phase larva stage.
结果显示，黑斑口虾蛄在胚胎和幼体的发育过程中，水的体积分数先降低，至原肠胚期开始升高，到第二相幼体期达到最高，之后又有所回落； - Agat transcripts first appeared in the yolk syncytial layer ( YSL) at gastrula stage.
原肠期开始，agat开始出现在卵黄合胞体层（YSL）。 - The putative PGCs with Cf-vasa expression form in gastrula stage, and are located symmetrically at both sides of the stomodeum in trochophore. These cells subsequently migrate to the posterior pole of D-shaped larva and then migrate towards abdomen.
表达Cf-vasa的原生殖细胞形成于原肠胚时期，在担轮幼虫中对称分布于口凹两侧，并随幼虫发育迁移至D型幼虫末端后，继续沿边缘向腹面迁移。 - From fertilized eggs to newly hatched larvae, can be divided into 4 main stages; including cleavage stage, blastula stage, gastrula stage and formation of embryo stage, total 22 embryonic development stages.
从受精卵到仔鱼出膜可分为卵裂期、囊胚期、原肠期、胚体形成期4个主要阶段，22个发育时期。 - The ECs derived from the zebrafish at gastrula stage were isolated and sub-cultured with the trypsin digestion.
采用胰蛋白酶消化法从原肠期斑马鱼分离出ECs，并进行原代和继代培养。