Open lesion occur in early stage and are called spina bifida aperta or myelomeningocele.

开放性脊柱裂发生在胎发育的早期，又叫脊髓脊膜膨出。

Objective To discuss the clinical and pathological features of dysembryoplastic neuroepithelial tumor (DNT).

目的探讨胎发育不良性神经上皮肿瘤(DNT)的临床及病理特点。

Objective To discuss the diagnosis and treatment of dysembryoplastic neuroepithelial tumor (DNT).

目的探讨胎发育不良性神经上皮瘤(DNT)的诊断和治疗。

The development characters of small-nutted longan embryo were studied by paraffin method.

摘要采用石蜡切片法研究小核龙眼胎发育的特点。

Embryo nidation is a complex and sequencing physiological processes.

胎着床是复杂的的生理过。

Most of these genes have not been reported to relate to the haematogenesis in ontogeny.

这些基因大多数在胎分造血发育中的作用尚未见报道。

They are engaging in an embryo research.

他们正在进行一项胎研究。

All bdelloid rotifers are female, and they make embryos without any need for sperm.

所有的蛭形轮虫都是雌性，而且牠们不需要精子就可以产生胎。

Objectives To study the survival,growth and function restoration of fetal ovary allotransplant.

目的明确胎卵巢的生存，生长及功能恢复情况。

Conclusion The N-GSLs in human embryonic kidney tissue seemed to be closely related to the growth and differentiation of the cell, and globoside may be the marker of normal kidney tissue.

结论 中性糖脂参与了胎肾组织的成熟与分过，中性糖脂中长糖链红细胞糖苷脂与肾组织的恶变可能有关。

In case 6, the heart looks "inverted" compared to normal (Figure 8). This phenomenon is called dextrocardia, and it results from a looping anomaly during embryologic development.

病例6中的心脏与正常相比看上去就像“反转”了一样（图8），这称作右位心，是由于胎发育过中的心脏成环异常导致。

The factors which influenced somatic embryogenesis and plantlet regeneration in Picea meyeri Rehd. et Wils. were studied in order to establish a high frequency embryogenetic system.

摘要为建立白杄体细胞胎发生及其株再生的高频率实验系统，对聚乙二醇及干处理的影响进行了系统研究。

There are 5 stages during the development of embryo, including the stage of 2-celled proembryo, multicellular proembryo, globular proembryo, pyriform proembryo, differential embryo and mature embryo.

胎发育经过二细胞原、多细胞原、球形原、梨形原、分和成熟阶段。

Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.

目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胎质量的关系。

Abstract To probe into the embryotoxicity , the teratogenic effect of sodium selenite as well as it teratogenic dosage and characteristics were studied.

摘要 目的:探讨亚硒酸钠对小鼠的胎毒性、致畸作用、致畸剂量和致畸特性。

The dorsoventral polarity of Drosophila egg is established by means of signaling between the germ line-derived oocyte and the surrounding somatic follicle cells.

果蝇胎的发育是由四种系统，分别控制头尾部、前部、部以及背腹部的形成。

Toxoplasmosis ophthalmopathy is mainly characterzied by congenital malformation from optic pit and optic vesicle s lesion at earlier embryo period,and retinochoroiditis from inflammation.

弓形虫眼病主要表现为胎早期受弓形虫侵犯使视窝及视泡的形成发生障碍引起的先天畸形以及炎症损害引起的视网膜脉络膜炎。

Using anatomical method, the gonadal development in postembryonic period of Rana chensinensis, which had been migrated from Northeast China, is studied.

摘要采用解剖学方法，对南的中国林蛙胎期性腺发育进行了观察。

In the embryo an undifferentiated mesodermal component of an early trunk or tail segment or metamere, derived from paraxial mesoderm.

在胎时，一个无法区别的中层组成一个早期躯干、或尾部片段或体节，衍生自轴旁的中层。

In addition, the expression of GPR78 displayed the levels in tendency to decrease from telencephalon to metencephalon during embryonic period.

在胎期GRP78蛋白在脑组织的表达呈现从端脑到脑逐渐降低的趋势。