postembryonic

简明释义

英[/ˌpoʊstˌɛm.briˈɑ.nɪk/]美[/ˌpoʊstˌɛm.briˈɑ.nɪk/]

adj. 胚后期的

英英释义

单词用法

同义词

反义词

例句

1.Totipotent - having unlimited capability. Totipotent cells have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs.

全能—具有无限能力。全能细胞具有分化为特定的胚胎外膜和组织、胚胎以及所有胚胎后组织和器官的能力。

2.Conclusion The human fetal bone marrow postembryonic pluripotent stem cells can differentiate to hepatocyte - like cells in vitro or in hepatic microcirculation.

结论来源于胎儿骨髓的亚全能干细胞可以在体外及肝脏微环境下转化为肝细胞样细胞。

3.Totipotent - having unlimited capability. Totipotent cells have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs.

全能？具有无限能力。全能细胞具有分化为特定的胚胎外膜和组织、胚胎以及所有胚胎后组织和器官的能力。

4.Furthermore, it possesses a curved, open embryonic fissure denoting an asymmetrical postembryonic growth of the eye.

此外，尚具有一弯曲的、有开口的胚胎裂缝，表明眼的不对称性胚后生长。

5.During the whole postembryonic development, GAS-IR cells were not detected in small intestine and rectum.

在蝌蚪的胚后发育过程中，小肠和直肠中没有检测到GAS阳性细胞。

6.So the ability to purify, culture, and manipulate these postembryonic stem cells would provide investigators with an invaluable cell source to study cell and organ development.

因此，对于研究发育生物学而言，能够分离纯化、培养和有效利用胚胎后亚全能干细胞，无疑具有非常重要的意义。

7.Totipotent - having unlimited capability. Totipotent cells have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs.

全能？具有无限能力。全能细胞具有分化为特定的胚胎外膜和组织、胚胎以及所有胚胎后组织和器官的能力。

8.In vertebrates, postembryonic development includes all the changes that occur after the embryonic stage.

在脊椎动物中，后胚胎发育包括胚胎阶段后发生的所有变化。

9.The postembryonic stages of development are crucial for understanding the life cycle of many species.

了解许多物种的生命周期，后胚胎发育阶段至关重要。

10.The study focused on the postembryonic development of insects, examining their growth stages after the larval phase.

这项研究集中在昆虫的后胚胎发育上，检查它们在幼虫阶段后的生长阶段。

11.Researchers are investigating how environmental factors influence postembryonic growth in amphibians.

研究人员正在调查环境因素如何影响两栖动物的后胚胎生长。

12.In plants, postembryonic development involves processes like germination and seedling growth.

在植物中，后胚胎发育涉及发芽和幼苗生长等过程。

作文

The study of developmental biology encompasses various stages of an organism's life cycle, from fertilization to maturity. One critical phase that researchers focus on is the period known as postembryonic 胚胎后期 development. This stage occurs after the embryonic phase and is crucial for understanding how organisms grow and adapt to their environments. During postembryonic 胚胎后期 development, organisms undergo significant changes that prepare them for survival in their respective habitats.In many species, the postembryonic 胚胎后期 stage can be divided into several sub-phases, including larval, juvenile, and adult stages. For instance, in insects, the transition from larva to pupa and finally to adult is a fascinating example of postembryonic 胚胎后期 development. Each of these stages involves distinct morphological and physiological changes that are essential for the insect's lifecycle. Understanding these changes allows scientists to gain insights into evolutionary adaptations and ecological interactions.Moreover, postembryonic 胚胎后期 development is not limited to insects. In vertebrates, such as frogs, the transformation from tadpole to adult frog exemplifies this phase. Tadpoles are aquatic and breathe through gills, but as they mature through postembryonic 胚胎后期 development, they undergo metamorphosis, developing lungs and limbs to thrive on land. This remarkable change highlights the importance of postembryonic 胚胎后期 development in adapting to new environments and ecological niches.The process of postembryonic 胚胎后期 development is regulated by various genetic and environmental factors. Researchers have identified specific genes that play pivotal roles in regulating growth and differentiation during this stage. For example, the hormone ecdysone in insects triggers molting and metamorphosis, illustrating how hormonal changes drive postembryonic 胚胎后期 development.Additionally, environmental conditions such as temperature, food availability, and habitat can significantly influence the trajectory of postembryonic 胚胎后期 development. Organisms may exhibit plasticity in their development, allowing them to adapt to changing conditions. For instance, some amphibians can alter their developmental pathways based on the presence of predators or changes in their aquatic environment, showcasing the dynamic nature of postembryonic 胚胎后期 development.In conclusion, the postembryonic 胚胎后期 phase of development is a critical aspect of an organism's life cycle that deserves attention in biological research. By studying this stage, scientists can uncover the complexities of growth, adaptation, and evolution in various species. The insights gained from examining postembryonic 胚胎后期 development not only enhance our understanding of individual organisms but also contribute to broader ecological and evolutionary theories. As we continue to explore the intricacies of developmental biology, the significance of postembryonic 胚胎后期 development will undoubtedly remain a key focus for future research.

发展生物学的研究涵盖了生物体生命周期的各个阶段，从受精到成熟。研究人员关注的一个关键阶段是称为postembryonic 胚胎后期发展的时期。这个阶段发生在胚胎阶段之后，对于理解生物体如何生长和适应环境至关重要。在postembryonic 胚胎后期发展期间，生物体经历显著变化，为在各自栖息地的生存做好准备。在许多物种中，postembryonic 胚胎后期阶段可以分为几个子阶段，包括幼虫、幼年和成体阶段。例如，在昆虫中，从幼虫到蛹，最后到成虫的过渡是postembryonic 胚胎后期发展的迷人例子。这些阶段中的每一个都涉及独特的形态和生理变化，对昆虫的生命周期至关重要。理解这些变化使科学家能够深入了解进化适应和生态相互作用。此外，postembryonic 胚胎后期发展并不仅限于昆虫。在脊椎动物中，例如青蛙，从蝌蚪到成蛙的转变就是这一阶段的例证。蝌蚪是水生的，通过鳃呼吸，但随着它们通过postembryonic 胚胎后期发展而成熟，它们经历了变态，发展出肺和肢体以便在陆地上生存。这一显著变化突显了postembryonic 胚胎后期发展在适应新环境和生态位方面的重要性。postembryonic 胚胎后期发展的过程受到各种遗传和环境因素的调控。研究人员已经确定了一些特定基因在调节这一阶段的生长和分化中发挥着关键作用。例如，昆虫中的激素蜕皮素触发蜕皮和变态，说明了激素变化如何驱动postembryonic 胚胎后期发展。此外，环境条件如温度、食物供应和栖息地会显著影响postembryonic 胚胎后期发展的轨迹。生物体可能在其发展中表现出可塑性，使其能够适应变化的条件。例如，一些两栖动物可以根据捕食者的存在或水环境的变化来改变其发育路径，展示了postembryonic 胚胎后期发展的动态特性。总之，postembryonic 胚胎后期发展阶段是生物体生命周期的一个关键方面，值得在生物研究中关注。通过研究这一阶段，科学家可以揭示生长、适应和进化的复杂性。对postembryonic 胚胎后期发展的研究不仅增强了我们对个体生物体的理解，而且有助于更广泛的生态和进化理论。随着我们继续探索发育生物学的复杂性，postembryonic 胚胎后期发展的重要性无疑将始终是未来研究的重点。