This paper studies the embryonic development of Spodoptera exigua(Hübner) including the cleavage, the formation of blastoderm and germ band, and the differentiation of germinal layers.
本文详细研究了甜菜夜蛾spodopteraexigua(H櫣ｂｎｅｒ)胚胎发育的卵裂、胚盘、胚带的形成和胚层分化。
The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.
胚盘鸟蛋或爬行动物卵的蛋黄表面的细胞层，胚盘由此形成，胚胎从胚盘发育
The layer of cells formed by the cleavage of a fertilized mammalian egg.It later divides into the three germ layers from which the embryo develops.
胚盘由哺乳动物受精卵分裂而形成的细胞层。后期分裂为三层，胚胎由此发育
A trial impression of a plate, stone, or block taken at any of various stages in engraving.
毛胚盘子、石头或岩石在雕刻的各个阶段时的试验印迹
Furthermore, combining information of our research, it is emphatically introduced about microinjection into chicken, s blastoderm.
其中,结合本实验室的情况,重点介绍了胚盘直接注射法。
Culture of Chicken Stage X Blastoderm Cells and Production of Chicken Oviduct Bioreactor;
鸡X期胚盘细胞体外培养与输卵管生物反应器的研制
Studies on the Cryopreservation Conservation of Chicken BCs in Stage X and Chicken Chimeras Using Frozen-thawed BCs
鸡X期胚盘细胞的冷冻保存及复苏后嵌合体鸡制备的研究
The modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚，为胎盘哺乳动物的特征
Preparation and Immunological Competence of Sheep Placenta Peptide;
羊胚胎盘肽的制备及其免疫活性的研究
(embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals.
（胚胎学）受孕卵被植入有胎盘哺乳动物子宫内的有机过程。
The Embryonic Development, the Digestive Tract and Digestive Enzymes of Larval Symphysodon Discus Heckel;
盘丽鱼胚胎发育、仔鱼消化道组织学及消化酶活性的研究
As the accretion disk feeds more mass into itself, the embryo star contracts, growing ever denser and more massive.
随着吸积盘获得越来越多的物质，胚胎恒星就不断收缩，密度和质量都变得越来越大。
The other 7 rats were completely aborted with hemorrhage occuring in the area for embryo implantation.
7例完全流产标本,胎盘多剥脱并和胚胎穿破蜕膜流落宫腔,着床处充满血液.
The Effects and Mechanism of the Taurine on Placenta Damage and Embryonic Developmental Toxicity by Cadmium Chloride in Rats;
牛磺酸对氯化镉诱导的孕鼠胎盘损伤及胚胎发育毒性的影响及机制的研究
Expression of Epidermal Growth Factor Receptor on the Term Pregnancy Placenta After in Vitro Fertilization-Embryo Transfer and the Change of the Placental Morphology;
体外受精-胚胎移植足月妊娠胎盘中表皮生长因子受体的表达及其形态学变化
Early Pregnancy Diagnosis and Early Prenatal Sex Determination by Maternal Plasma Cell-free Nucleic Acids from Placenta or Fetus
基于母体血浆胎盘源及胚胎源核酸分子的早期妊娠诊断及早期胎儿性别鉴定技术
Primitive Neuroectodermal Tumor in Iliac Fossa Misdiagnosed as Lumbar Disc Herniation:A Case Analysis and Literature Review
髂窝原始神经外胚层肿瘤误诊为腰椎间盘突出症1例分析并文献复习
a dinner, meat, soup, etc plate
餐盘、 肉盘、 汤盘
being or of the nature of an ovule.
胚珠的或有胚珠特点的。