chalazal

简明释义

英[kəˈleɪzəl]美[kəˈleɪzəl]

合点的

卵带的

英英释义

单词用法

同义词

反义词

例句

1.The chalazal cell in the dyad contains many organelles, and mitochondria and plastids showing regular shapes, considered a sign of the end of redifferentiation.

合点端的二分体细胞中细胞器丰富，线粒体和质体的形态正常，表明完成了再分化。

2.The chalazal parts of the endosperm containing free nuclei forms several lobes.

包含游离核的合点端胚乳部分形成几个裂片。

3.The chalazal cell in the dyad contains many organelles, and mitochondria and plastids showing regular shapes, considered a sign of the end of redifferentiation.

合点端的二分体细胞中细胞器丰富，线粒体和质体的形态正常，表明完成了再分化。

4.Its wall has discontinuous sites at the chalazal end and side wall sharing with the egg cell and the central cell.

助细胞合点端及侧方与卵细胞、中央细胞的共同壁不连续。

5.Perhaps they played the function as chalazal end of the haustorium.

作者认为它们是起了合点端吸器的功能。

6.The primary chalazal haustorium ramifies around the vascular tissues of the ovule.

初生合点吸器沿着胚珠的维管组织分支。

7.Arrangement of megaspore is linear shaped, the megaspore of chalazal end is functional megaspore.

大孢子排列为直线型，合点端大孢子为功能大孢子。

8.The doctor explained that a chalazal 睑腺囊肿 can form when an oil gland in the eyelid becomes blocked.

医生解释说，chalazal 睑腺囊肿 形成是由于眼睑中的油腺被堵塞。

9.After noticing a small bump, I went to the clinic to check if it was a chalazal 睑腺囊肿 or something more serious.

在注意到一个小肿块后，我去诊所检查它是否是一个 chalazal 睑腺囊肿 或更严重的问题。

10.The chalazal 睑腺囊肿 usually resolves on its own, but sometimes treatment is necessary.

通常情况下，chalazal 睑腺囊肿 会自行消失，但有时需要治疗。

11.She was relieved to learn that her chalazal 睑腺囊肿 was benign and not a cause for concern.

她松了一口气得知她的 chalazal 睑腺囊肿 是良性的，不用担心。

12.Applying warm compresses can help reduce the swelling of a chalazal 睑腺囊肿.

使用温热敷料可以帮助减轻 chalazal 睑腺囊肿 的肿胀。

作文

In the realm of biology, particularly in the study of plant anatomy, the term chalazal refers to a specific part of a seed or ovule. The chalazal end is the point where the ovule attaches to the ovary wall, and it plays a crucial role in the development of the seed. Understanding the chalazal region is essential for botanists and horticulturists as it can influence seed viability and the overall health of the plant. For instance, when analyzing the fertilization process, one must consider how the chalazal structure affects the transport of nutrients and genetic material between the mother plant and the developing seed. The significance of the chalazal area extends beyond mere attachment; it is also vital for the proper formation of the seed coat. The seed coat protects the embryo and is essential for its survival during unfavorable conditions. A well-formed chalazal region can lead to a robust seed coat, which is crucial for the seed's longevity and ability to germinate under the right conditions. This aspect is particularly important in agricultural practices where seed quality directly impacts crop yield. Moreover, the chalazal region can vary significantly among different plant species. For example, in some plants, the chalazal end may exhibit unique adaptations that enhance nutrient absorption or provide additional protection against pests and diseases. These variations underscore the importance of studying the chalazal morphology to understand evolutionary adaptations in plants. In recent years, researchers have begun to explore the genetic factors that influence the development of the chalazal region. By identifying specific genes responsible for chalazal characteristics, scientists hope to improve crop varieties through selective breeding or genetic modification. This research could lead to the creation of seeds that are more resilient to environmental stressors, thereby ensuring food security in a rapidly changing world. In conclusion, the term chalazal encompasses much more than just a botanical term; it represents a critical component of plant reproductive biology. The understanding of the chalazal region not only aids in the study of plant development but also has practical implications in agriculture and conservation. As we continue to delve deeper into the complexities of plant biology, the chalazal will undoubtedly remain a focal point of research and inquiry, highlighting its importance in both natural ecosystems and human agricultural practices.

在生物学的领域，特别是在植物解剖学的研究中，术语chalazal指的是种子或胚珠的特定部分。chalazal端是胚珠附着在子房壁上的点，它在种子的发育中起着至关重要的作用。理解chalazal区域对于植物学家和园艺师来说是必不可少的，因为它可以影响种子的活力和植物的整体健康。例如，在分析受精过程时，必须考虑chalazal结构如何影响母植物与发育中的种子之间营养和遗传物质的运输。 chalazal区域的重要性不仅仅在于附着；它对种皮的正确形成也至关重要。种皮保护胚胎，并且对其在不利条件下的生存至关重要。一个形成良好的chalazal区域可以导致坚固的种皮，这对种子的寿命和在适当条件下发芽的能力至关重要。这一方面在农业实践中尤为重要，因为种子的质量直接影响作物的产量。 此外，chalazal区域在不同植物物种之间可能有显著的差异。例如，在某些植物中，chalazal端可能表现出独特的适应性，以增强营养吸收或提供额外的防护以抵御害虫和疾病。这些变异突显了研究chalazal形态的重要性，以理解植物的进化适应。 近年来，研究人员开始探索影响chalazal区域发育的遗传因素。通过识别负责chalazal特征的特定基因，科学家希望通过选择性育种或基因修饰来改善作物品种。这项研究可能会导致更具抗环境压力的种子的产生，从而确保在快速变化的世界中实现粮食安全。 总之，术语chalazal不仅仅是一个植物学术语；它代表了植物生殖生物学的一个关键组成部分。对chalazal区域的理解不仅有助于植物发育的研究，还有实际意义，涉及农业和保护。随着我们继续深入探讨植物生物学的复杂性，chalazal无疑将继续成为研究和探讨的重点，突显其在自然生态系统和人类农业实践中的重要性。