文中对以卵黄细胞发育来评价药物治疗效果进行了讨论。
The discussion correlates the development in the vitelline cell with the effects in treatment.
结果还讨论了卵黄核、合成泡及环状片层等细胞器的超微结构与功能的关系等。
The relationship between ultrastructure and function of some organelle, such as yolk nucleus, synthetic vesicle and annulate lamella are also discussed in this paper.
胚胎癌35例，畸胎瘤11例，卵黄囊瘤3例，绒毛膜上皮癌6例，混合性生殖细胞瘤13例。
There were 35 embryonal carcinomas, 11 teratomas, 3 yolk sac tumors, 6 choriocarcinomas and 13 mixed germ cell tumors.
目的：探讨监测血清afp对小儿肝母细胞瘤和卵黄囊瘤诊断和预后的意义。
Aim: to investigate the diagnosis and predication value of serum AFP in infants with hepatoblastoma and yolk-sac tumors.
结果：肝母细胞瘤和卵黄囊瘤术前血清AFP阳性率分别为85％，93％。
Results: AFP was significantly increased in 85% patients with hepatoblastoma and 93% patients with yolk-sac tumors.
卵母细胞外的滤泡细胞也存在卵黄脂磷蛋白的阳性反应。
It was found that the follicle cells also had positive reaction of lipovitellin.
卵母细胞的卵黄颗粒上两种蛋白均呈现阳性反应。
There were positive reaction of two proteins in yolk granules of oocyte.
高浓度雌二醇对卵黄发生前期卵母细胞卵径增大也有明显刺激作用（P＜0．01）；
High concentration of oestradiol had a significant stimulation (P<0. 01) on oocyte diameter increase at the previtellogenesis stage.
卵黄发生前（蛹期）的脂肪体细胞含有大量蛋白颗粒和线粒体，但未见粗面内质网，早期蛹脂肪体细胞中可见多囊泡体；
At previtellogenic stage (that is, at pupal stage), large amounts of protein granules and mitochondria were present in fat body cells, but no rough endoplasmic reticulum (RER) could be observed.
运用透射电镜观察了莫桑鼻给非鲫卵母细胞内卵黄球的结构；
The yolk spheres of Tilapia mossmabica have been studied by transmission electron microscopy.
结论氟有潜在的致畸性和胚胎毒性，胚胎组织gsh活性和卵黄囊细胞膜脂流动性降低可能在氟致胚胎发育毒性中起重要作用。
Conclusions Fluoride could result in embryonic growth retardation and potential teratogenic toxicity. These effects might be due in part to decrease in GSH activity and membrane lipid fluidity.
小鼠的造血和血管系统起源于胚外中胚层。胚胎期6.5-7天时在卵黄囊形成特征性的血岛结构发生向造血和内皮细胞的分化。
The hematopoietic and vascular systems of the mouse arise from extraembryonic mesoderm that migrate through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
目的：儿童恶性生殖细胞肿瘤的发病率是百万分之二到三，卵黄囊瘤是其中最常见的儿童恶性生殖细胞肿瘤，约占62.7%。
Objective: malignant germ cell tumors occur in childhood at a rate of 2 to 3 cases per million children, and Yolk sac tumor accounts for the most (62.7%) of malignant germ cell tumors.
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。
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.
它包括两部分物质来源：一部分是由血淋巴通过滤泡细胞间隙向卵母细胞提供合成卵黄物质；
One is blood lymph that offers some useful materials for the oocyte to synthesize vitelline material directly through follicle cell gaps;
结果研究对象中，20例为未成熟畸胎瘤，11例为卵黄囊瘤，8例为无性细胞瘤，6例为混合性生殖细胞肿瘤。
Result To study patients, 20 immature teratoma (IT), 11 endodermal sinus tumor, 8 dysgerminoma, 6 mixed germ cell tumors.
结果研究对象中，20例为未成熟畸胎瘤，11例为卵黄囊瘤，8例为无性细胞瘤，6例为混合性生殖细胞肿瘤。
Result To study patients, 20 immature teratoma (IT), 11 endodermal sinus tumor, 8 dysgerminoma, 6 mixed germ cell tumors.
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