鹅掌楸属树种的胚胎学研究进展。
胚胎发生是组织胚胎学教学难点之一。
Embryogenesis is one of the difficult points in histology and embryology teaching.
开展了翼龙化石胚胎学研究；
胚囊观察是植物胚胎学的主要研究方法之一。
The embryo sacs observation is one of the main study method for embryology.
前言：目的探讨多媒体教学在组织胚胎学中的作用。
Objective: to study the role of multi-media teaching in histology and embryology and improve the teaching quality of histology and embryology.
胚胎学：是研究胚胎发育的学科，通常从受精开始。
Embryology the study of the development of embryos, usually from fertilization.
方法分析组织胚胎学的特点，多媒体教学的优点和不足。
Methods: Analysing the characteristic of the histology and embryology, the good quality and deficiency of multi-media teaching are also expounded.
单位：北京大学医学部人体解剖学与组织胚胎学系实验室。
SETTING: Laboratory of Anthropotomy and Histo - Embryology Department, Peking University Health Science Center.
胚胎学观察与染色体校型分析结果证实了上述结论与观点。
This was proved by the results of observation on embryo development and analysis of karyotype of the insect.
为四倍体大燕麦和六倍体裸燕麦杂交提供了细胞胚胎学证据。
Cytoembryological evidence was provided for crosses between Avena magna and Avena nuda.
这些照片被发表在同年八月刊的《解剖学和胚胎学杂志》上。
These photos were published in the August issue of Anatomy & Embryology.
结论：应根据病例特点及胚胎学发生原理对三鼻孔样畸形诊断。
Conclusion the triple nostrils malformation should be diagnosed according to the case characteristics and the embryology principles.
目的总结先天性冠状动脉起源异常病理解剖和胚胎学与外科治疗。
Objective to summarize pathological anatomy, embryology and surgical results of Congenital Anomalous Origin of the Coronary Artery.
胚胎学的经典文献详细地报道了关于在原来位置上合子的这些式样。
The classical literature of embryology documents these patterns in detail for the zygote in situ.
实验教学是家畜解剖与组织胚胎学课程中一个十分重要的组成部分。
Experimental teaching is an important part in the anatomy and histology and embryology of domestic animal.
学习科目包括大体解剖学，骨生物学，胚胎学，神经解剖学和组织学。
The subjects of study include gross anatomy, bone biology, developmental anatomy, neuroanatomy, and histology.
LEA蛋白与Lea基因是当前植物胚胎学以及逆境生理学研究的热点之一。
Lea proteins and Lea genes were one of the hot fields in plant embryology and stress physiology.
文章结合组织胚胎学教学实践，对教学中出现的问题进行了分析，并提出了建议。
This paper analyzes the problems on the basis of our practice in multimedia-aided teaching of histology and embryology.
该中心将用本次筹集的资金启动包括流行病学、生物化学和胚胎学在内的多学科研究。
The center USES money from the fundraiser to provide start-up grants to researchers across multiple disciplines including epidemiology, biochemistry and epigenetics.
这些经验和教训可为今后TBL模式在组织学与胚胎学教学中的应用提供有益的借鉴。
The experience and lesson we obtained will be used for reference to application of TBL in teaching of Histology and Embryology in the future.
本文围绕水稻未传粉子房培养时雌核发育原胚的起源问题进行了较详细的胚胎学研究。
This paper is a further research on the origin of gynogenic structures of rice which have been induced by the method of unpollinated ovary culture in our laboratory for several years.
就胚胎学的历史而言，在20世纪之前，人们对人类胚胎的发育阶段和分类都知知甚少。
As far as it is known from the history of embryology, little was known about the staging and classification of human embryos until the twentieth century.
实验胚胎学领域的这一重大发现预示着将会产生新的诊断检测手段及治疗癌症的药物疗法。
This significant discovery in the field of epigenetics has immediate implications in the development of new diagnostic tests and cancer medications.
最近，技术已经开发为在体外培养干细胞，提供了前所未有的机遇，为学习和了解人体胚胎学。
Recently, techniques have been developed for the in vitro culture of stem cells, providing unprecedented opportunities for studying and understanding human embryology.
实验胚胎学涉及的内容不是DNA序列本身的变化，而是基因的改变，如向DNA链添加分子。
Epigenetics refers to changes to genes other than changes to the DNA sequence itself, such as the addition of molecules to the DNA strand.
海克尔在他的重演论中大量使用胚胎学知识，使一个渐进的、几乎线性的进化模型得以具体化。
Haeckel used embryology extensively in his recapitulation theory, which embodied a progressive, almost linear model of evolution.
本内收集整理的数据——以及其他科学家20多年来地孤军奋战——诞生了一门新学科——实验胚胎学。
Bygren's data - along with those of many other scientists working separately over the past 20 years - have given birth to a new science called epigenetics.
采用延迟授粉和胚胎学显微观察的方法，研究了黑麦和六倍体小黑麦花粉诱导小麦孤雌生殖的假受精特性。
The study on pseudogamy property of wheat parthenogenesis is conducted by means of delaying pollination and observing embryo sac with microscope.
英国人工授精与胚胎学管理局的发言人说：“我们坚决认为把人工受精当作彩票‘奖励’是不正当且完全不合时宜的。”
A spokesman with the Human Fertilisation and Embryology Authority said: "the HFEA is strongly of the view that using IVF as a 'prize' in a lottery is wrong and entirely inappropriate."
英国人工授精与胚胎学管理局的发言人说：“我们坚决认为把人工受精当作彩票‘奖励’是不正当且完全不合时宜的。”
A spokesman with the Human Fertilisation and Embryology Authority said: "the HFEA is strongly of the view that using IVF as a 'prize' in a lottery is wrong and entirely inappropriate."
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