yolk sac
英 [jəʊk sæk]
美 [joʊk sæk]
卵黄囊
双语例句
- An endodermal sinus tumor ( yolk sac tumor) of the testis is shown composed of primitive germ cells that form glomeruloid or embryonal-like structures.
睾丸的内胚层窦肿瘤（卵黄囊肿瘤）由原始生殖细胞构成，这些细胞形成血管球或胚芽样结构。 - Effect of Different Starter Feeding Time on Absorption of Yolk Sac and Growth and Development of Yangzhou Gosling
开食时间对鹅卵黄囊吸收及其生长发育的影响 - ConclusionATRA could inhibit proliferation of yolk sac tumor cell line, and down regulation of VEGF could be the inhibitory mechanism of ATRA on yolk sac tumor cell line in vitro.
结论全反式维甲酸可以抑制睾丸卵黄囊瘤细胞的增殖，抑制肿瘤增殖机制可能与下调VEGF的表达有关。 - Antibody to AFP has been shown to be useful in detecting hepatocellular carcinomas ( HCC) and germ cell neoplasms, especially yolk sac tumors.
主要用于检测肝细胞癌、生殖细胞肿瘤，尤其是卵黄囊肿瘤。 - Development and Consumption of Yolk Sac of Newly-hatched Larval Japanese eel Anguilla japonica
池塘养殖鳗鲡初孵仔鳗生长发育和卵黄消耗的研究 - Application of digital imaging technique in quantitative analysis of blood vessels in chick embryo yolk sac membranes
数字图像分析技术在鸡胚卵黄囊膜血管形成模型中的应用 - MSCT Imaging Appearance of Yolk Sac Tumor in Three Cases and Literature Review
3例卵黄囊瘤多层螺旋CT表现并文献复习 - A human yolk sac is used briefly and then vanishes.
人类的卵黄囊用得时间很短，很快就会消失。 - A modified method of extracting and purifying rickettsiae from infected chicken embryo yolk sac by differential centrifugations and Ether treatment.
本文采用差速离心沉淀和高盐乙醚处理方法从立克次体感染鸡胚卵黄囊膜中提取纯化立克次体。 - The yolk sac and yolk stalk on one of them were well preserved.
观察了三例人胚外形，其中一例还有保存良好的卵黄囊和卵黄蒂。 - The experiment was conducted to study the nutrition absorption and utilization in yolk sac of fasting gosling.
以扬州鹅初生雏鹅为试验对象，研究在绝食条件下雏鹅对卵黄囊营养吸收与利用的规律。 - I do not believe, however, that this is normal, since in the wild, young with such a large yolk sac probably would not survive without parental protection.
我不相信，不过，这是正常的，因为在野生环境年纪这么大的卵黄囊，也许就不会生存父母的保护。 - The expression of KDR and VEGF in yolk sac and liver of human embryo
受体蛋白质酪氨酸激酶和血管内皮生长因子在人胚胎卵黄囊和胎肝中的表达 - Objective To study the expression and distribution of KDR, VEGF and CD34 in yolk sac and liver of human embryo at different development stage.
目的研究人胚胎发育不同时期卵黄囊和胎肝内受体酪氨酸激酶（KDR）、血管内皮生长因子（VEGF）和CD34的分布及表达，为胚胎造血分化提供理论依据。 - Gene expression profile of yolk sac and fetal liver in mouse
小鼠造血组织卵黄囊与胎肝的基因表达谱初步研究 - Using in vitro whole embryo culture and in vivo teratogenic assay, the effects of arsenic and methylmercury on rat yolk sac placenta ( YSP) development and hematopoietic function were compared in rat head-fold stage.
应用全胚胎培养、体内致畸敏感期毒性试验二种方法并结合扫描电镜及光镜技术探讨和比较了砷、甲基汞对大鼠卵黄囊胎盘发育及造血功能的影响。 - Ultrastructural Study of Human Yolk Sac
人卵黄囊的超微结构研究 - To investigate the expression of VEGF, KDR and CD34 in human yolk sac at different stages, we applied immunohistochemical staining and light microscope.
为研究胚胎不同时期VEGF、KDR和CD34在人卵黄囊中的表达情况，了解胚胎造血的发育过程和机理。采用免疫组织化学SP法卵黄囊冰冻切片进行染色，光镜观察。 - AA broilers were selected as animal model to determine the effects of taurine on the absorption of yolk sac and metabolism of thyroid hormone in broilers.
以AA肉仔鸡为对象，研究了日粮中添加牛磺酸对卵黄囊吸收及甲状腺激素代谢的影响。 - Effects on embryonic development and ultramicrostructure of visceral yolk sac induced by ethanol
乙醇对胚胎发育与卵黄囊超微结构的影响 - Conclusion The committed differentiation from yolk sac stem cells to CFU GM is affected by many factors.
结论：卵黄囊干细胞具有向cFUGM分化的能力； - It is concluded that hematopoietic cells and endothelial cells in blood island of yolk sac, mesonephros and dorsal aorta co-expressed some factors and their receptors in relation to vasculogenesis and hematopoiesis.
结论：人胚胎卵黄囊血岛造血细胞和内皮细胞以及背主动脉和中肾共表达多种与血管发生和血液发生相关的因子。 - Methods 32 yolk sac tumors were immunostained for P-gp 、 MRP1 、 LRP and GST-π.
方法采用免疫组化SP法检测32例卵黄囊瘤组织不同结构的Pgp、MRP1、LRP和GSTπ的表达情况。 - And lipid, fatty acids content, weight of yolk sac.
卵黄囊质量、卵黄脂类及其脂肪酸的含量。 - Clinical and pathological analysis in 27 cases of yolk sac tumour of the ovary
卵巢卵黄囊瘤27例临床与病理分析 - Effects of Potassium Dichromate on Lipid Fluidity of Cell Membrane of Yolk Sac in Rats
重铬酸钾对卵黄囊细胞膜脂质流动性的影响 - The results show that, the yolk sac encloses the yolk sac membrane and its content of yolk.
结果表明，卵黄囊是由卵黄囊膜和包裹其内部的卵黄物质组成。 - Its signals can also be detected throughout the surface of yolk sac as presented in pairs of spots.
同时在卵黄囊表面也可以检测到均匀的呈点状分布的阳性信号。
英英释义
noun
- membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes
- membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional