胚胎发育

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胚胎发育特点。

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

开放性柱裂发生在胚胎发育早期，又叫膨出。

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

目探讨胚胎发育不良性神经上皮瘤(DNT)诊断和治疗。

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

目探讨胚胎发育不良性神经上皮肿瘤(DNT)临及病理特点。

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

这些基因大多数在胚胎分化造血发育作用尚未见报道。

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，对南移后林蛙胚胎后期性腺发育进行了观察。

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

果蝇胚胎发育是由四种系统，分别控制头尾部、前部、后部以及背腹部形成。

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.

胚胎发育经过二细胞原胚、多细胞原胚、球形原胚、梨形原胚、分化胚和成熟胚阶段。

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，是由于胚胎发育过程心脏成环异常导致。