胚胎

The embryological studies of unfertilized ovaries of strawberry in vitro showed that the gynogenesis had three pathways.

对草莓离体培养的未受精子房的胚胎学研究发现，雌核发育有三种途径，即：①卵细胞的启动分裂(A1)。

In this review, we provide a general background of the Pax genes, highlight the role of Pax proteins playing within specific tissues in terms of embryological development, and give a brief introduction of alternatively spliced isoforms of Pax protein identified.

文章简述了Pax基因的相关背景知识，详细介绍Pax1—Pax9调控在胚胎组织发育中的各项功能，并列举了现已确定的Pax基因在不同物种中的选择性剪接产物。

Conersely, mutations in genes that adersely affect both respiratory and embryological nodal cilia are a significant cause of heterotaxy and congenital heart disease, and screening for PCD is indicated in those patients.

相反地，对呼吸和胚胎学的交点纤毛产生不良影响的基因突变是引起心脏旋转不良和先天性心脏病的重要原因，在那些病人中表现为PCD。

This German physician gave up his medical practice and started to study the biological species, after reading The Origin of Species by Darwin in 1859. He became a world-known embryologist later and had named over 150 invertebrates.

这位德国医生在一八五九年读到达尔文写的《物种起源》后放弃行医，转行从事物种的研究，曾为一百五十多种无脊椎动物命名，后来成为举世闻名的胚胎生物学家。

Italian scientist plans first mass human clone trial 意大利科学家准备首次大规模人类克隆试验 A controversial Italian embryologist is preparing to impregnate up to 200 women with cloned embryos in the world's first attempt to produce a human clone, The Sunday Times reported.

周日泰晤士报报道，一位好争议的意大利胚胎学家正着手把克隆的胚胎注入200位妇女体内，成为世界上首次克隆人的试验。

In recent years,we have had a reform in embryology teaching and received good effects.

近年来该教研室对胚胎学教学进行了改革，收到了良好的教学效果。

Some of them are in the fields of physiology, etiology and embryology.

它们中的其中一些是属于生理学、病源学和胚胎学的知识。

And embryology is the study of the development of the body.

胚胎学研究人体的发展。

Objective: To explore the application effects of problem based learning teaching method in histology and embryology course.

目的：探讨PBL教学法在组织学与胚胎学教学中的应用效果。

Department of Histology and Embryology, the Fourth Military Medical University, Xi′an 710032,China

第四军医大学组织学与胚胎学教研室，西安 710032

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。