endosperm

简明释义

英[ˈendəʊspɜːm]美[ˈendoʊspɜːrm]

n. [植] 胚乳

英英释义

单词用法

同义词

反义词

例句

1.Cornstarch is made from the endosperm of the corn kernel. It is used to thicken sauces and stews in place of flour and fat.

玉米淀粉由玉米粒胚乳制成。它常用来勾芡酱汁，及在炖菜中取代面粉和脂肪。

2.The cellulization of endosperm in Gramineae was summarized and compared.

文章还对禾本科植物胚乳的细胞化作了比较和总结。

3.The endosperm of the nut owes its marked degree of astringency.

坚果的胚乳由于存在丹宁，所以有显著的涩味。

4.The endosperm formation is nuclear type.

刺梨的胚乳属核型。

5.Turning brown rice white entails removing a rice grain's bran and germ, which uncovers the white endosperm.

要将糙米制成精白米则必须将稻谷的麸皮和胚芽去除，留下白色的胚乳部分。

6.The analysis of DNA of rice starchy endosperm did not show the presence of DNA laddering.

对水稻淀粉胚乳中的DNA进行凝胶电泳分析，不呈现典型的DNA梯状条带。

7.The percent oil and several characters correlated with it were studied on micro endosperm corn.

对微胚乳玉米的含油率及其一些相关性状进行了研究。

8.Protein grains were stored in endosperm cells at early stage of globular embryo.

在球形胚前期，胚乳细胞中已积累大量的蛋白质颗粒。

9.The seed contains an outer protective layer and an inner nutrient-rich part known as endosperm, which is essential for the seed's development.

种子包含一个外部保护层和一个内部富含养分的部分，称为胚乳，这对于种子的发育至关重要。

10.In cereal grains, the endosperm provides the majority of the energy needed for germination.

在谷物中，胚乳提供了发芽所需的大部分能量。

11.The process of milling flour separates the endosperm from the bran and germ.

磨面粉的过程将胚乳与麸皮和胚芽分开。

12.Many plant-based foods derive their energy from the endosperm of seeds.

许多植物性食品的能量来源于种子的胚乳。

13.The endosperm serves as a food reserve for the developing embryo in the seed.

在种子中，胚乳作为发育中的胚胎的食物储备。

作文

The study of plant biology reveals many fascinating components that contribute to the growth and development of plants. One such component is the endosperm, a tissue produced within the seeds of flowering plants. The endosperm serves as a crucial source of nourishment for the developing embryo, providing the essential nutrients required for its growth. Understanding the role of the endosperm can deepen our appreciation for the complexities of plant life and agricultural practices. The endosperm is formed during the fertilization process when one sperm cell unites with the egg cell, while another sperm cell fuses with two polar nuclei to create the triploid tissue known as the endosperm. This unique formation allows the endosperm to contain a combination of genetic material from both the mother plant and the father pollen, which plays a significant role in determining the nutritional content of the seed. In many cereal grains, such as wheat, rice, and corn, the endosperm makes up the majority of the seed’s mass. It is primarily composed of starch, proteins, and various micronutrients, making it an excellent food source for both humans and animals. For instance, when we consume rice, we are primarily eating the starchy endosperm that provides energy and sustenance. The importance of the endosperm in human nutrition cannot be overstated, as it forms the basis of many staple foods around the world. Moreover, the endosperm also plays a vital role in the agricultural industry. Farmers often select specific varieties of crops based on the quality and quantity of endosperm they produce. For example, high-yielding varieties of corn have been developed to maximize the amount of endosperm, which directly correlates with the overall yield of the crop. This focus on enhancing the endosperm has led to significant advancements in agricultural practices and food production. In addition to its nutritional value, the endosperm has also sparked interest in scientific research. Researchers are exploring ways to genetically modify plants to improve the quality of the endosperm, aiming to enhance its protein content or increase its resistance to pests and diseases. These innovations could lead to more sustainable agricultural practices and help address global food security challenges. In conclusion, the endosperm is a remarkable and essential part of plant biology that deserves greater recognition. Its role as a nutrient source for developing seeds highlights the intricate relationships within ecosystems and the importance of plants in sustaining life on Earth. As we continue to study and understand the endosperm, we may unlock new possibilities for improving food production and ensuring a healthy future for generations to come. By appreciating the significance of the endosperm, we can better understand the fundamental processes that support life and the agricultural systems that provide for our needs.

植物生物学的研究揭示了许多有趣的组成部分，这些组成部分对植物的生长和发育起着重要作用。其中一个组成部分是endosperm，它是在开花植物的种子中产生的一种组织。endosperm作为发育胚胎的重要营养来源，为其生长提供了所需的基本营养。理解endosperm的作用可以加深我们对植物生命复杂性的欣赏以及农业实践的理解。 endosperm是在受精过程中形成的，当一个精子细胞与卵细胞结合时，另一个精子细胞与两个极核融合，形成称为endosperm的三倍体组织。这种独特的形成方式使得endosperm能够包含来自母体植物和父体花粉的遗传物质，这在决定种子的营养成分方面起着重要作用。 在许多谷物中，如小麦、稻米和玉米，endosperm占据了种子质量的大部分。它主要由淀粉、蛋白质和各种微量元素组成，使其成为人类和动物的优质食物来源。例如，当我们食用米饭时，我们主要是在食用含淀粉的endosperm，它为我们提供能量和营养。endosperm在人体营养中的重要性不容小觑，因为它构成了世界许多主食的基础。 此外，endosperm在农业产业中也发挥着至关重要的作用。农民通常根据作物生产的endosperm的质量和数量来选择特定品种。例如，已经开发出高产玉米品种，以最大化endosperm的生产量，这与作物的整体产量直接相关。这种对增强endosperm的关注推动了农业实践和食品生产的重大进展。 除了营养价值外，endosperm还引起了科学研究的兴趣。研究人员正在探索基因改造植物的方法，以改善endosperm的质量，旨在提高其蛋白质含量或增加其对害虫和疾病的抵抗力。这些创新可能导致更可持续的农业实践，并有助于解决全球粮食安全挑战。 总之，endosperm是植物生物学中一个显著且必不可少的部分，值得更大的认可。它作为发育种子营养来源的作用突显了生态系统内复杂的关系，以及植物在维持地球生命中的重要性。随着我们继续研究和理解endosperm，我们可能会解锁改善食品生产的新可能性，并确保未来几代人的健康。通过欣赏endosperm的重要性，我们可以更好地理解支持生命的基本过程以及满足我们需求的农业系统。