chalaza

简明释义

英[kəˈleɪzə]美[kəˈleɪzə]

n. （植物） 合点；卵带；（细胞）卵黄系带

复 数 c h a l a z a e 或 c h a l a z a s

英英释义

单词用法

同义词

反义词

例句

1.When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .

当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。

2.With the embryo development, most of the endosperm degenerated, and the cells near chalaza entered the chalaza, digested it and further nourished the embryo.

合点端的胚乳细胞则侵入合点珠心组织，为胚进一步发育提供营养。

3.When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .

当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。

4.When cracking an egg, you might notice the chalaza 卵黄带 hanging from the yolk.

打蛋时，你可能会注意到从蛋黄上悬挂着的chalaza 卵黄带。

5.In cooking, the chalaza 卵黄带 can be removed if you prefer a smoother texture.

在烹饪中，如果你喜欢更顺滑的质地，可以去掉chalaza 卵黄带。

6.The presence of a strong chalaza 卵黄带 indicates that the egg is fresh.

强壮的chalaza 卵黄带表明这个鸡蛋是新鲜的。

7.The chalaza 卵黄带 is often overlooked but plays an important role in egg structure.

虽然chalaza 卵黄带常常被忽视，但它在蛋的结构中起着重要作用。

8.The chalaza 卵黄带 helps keep the yolk centered in the egg.

这个chalaza 卵黄带帮助保持蛋黄在蛋中的中心位置。

作文

The study of biology often reveals fascinating details about the natural world, and one such detail is the structure known as the chalaza. This term refers to the twisted, rope-like strands of protein found in the eggs of birds and reptiles. The chalaza serves an essential function: it helps to anchor the yolk in the center of the egg white, or albumen. This anchoring is crucial for the developing embryo, as it ensures that the yolk remains stable and positioned correctly during incubation. Without the presence of the chalaza, the yolk could float freely within the egg, leading to improper development of the embryo.Understanding the role of the chalaza can enhance our appreciation for the complexity of life. Each part of an egg plays a vital role in the growth of a new organism. The egg white provides protection and nutrients, while the yolk contains the energy and building blocks necessary for growth. The chalaza is often overlooked, yet it is a remarkable example of nature's ingenuity. It exemplifies how even the smallest structures can have significant impacts on the survival of species.In culinary contexts, the presence of the chalaza can sometimes be a topic of discussion among chefs and food enthusiasts. When cracking open an egg, one might notice these strands, which some people choose to remove for aesthetic reasons. However, it is important to recognize that the chalaza is perfectly safe to eat and does not affect the taste or quality of the egg. In fact, many chefs appreciate the chalaza as a sign of freshness, indicating that the egg is from a healthy, well-cared-for hen.The chalaza also has implications beyond just biology and cooking; it serves as a reminder of the intricate processes that govern life itself. For instance, scientists studying embryonic development often examine the chalaza to understand better how embryos position themselves within their protective environments. This knowledge can lead to advancements in fields such as reproductive biology and veterinary medicine.Furthermore, the chalaza can inspire artists and writers alike. The beauty of its spiral form can be a source of inspiration for visual art, while the concept of anchoring and stability can resonate deeply in poetry and literature. Thus, the chalaza transcends its scientific definition, becoming a symbol of life's interconnectedness and the delicate balance required for existence.In conclusion, the chalaza is a small but mighty structure that plays a pivotal role in the development of avian and reptilian embryos. Its functions extend beyond biology, impacting culinary practices and inspiring creativity. By understanding the chalaza, we gain insight into the complexities of life and the importance of every component in the grand tapestry of nature. Whether we are cooking a meal, studying biology, or creating art, the chalaza serves as a reminder of the wonders that exist all around us.

生物学的研究常常揭示自然界的迷人细节，其中一个细节就是被称为chalaza的结构。这个术语指的是在鸟类和爬行动物的卵中发现的扭曲的、像绳索一样的蛋白质纤维。chalaza起着至关重要的作用：它帮助将蛋黄固定在蛋白（或称蛋清）的中心。这种固定对于正在发育的胚胎至关重要，因为它确保蛋黄在孵化过程中保持稳定并正确定位。如果没有chalaza的存在，蛋黄可能会在蛋内自由漂浮，导致胚胎发育不良。理解chalaza的作用可以增强我们对生命复杂性的欣赏。蛋的每个部分在新生有机体的生长中都发挥着重要作用。蛋白提供保护和营养，而蛋黄则包含生长所需的能量和构建块。chalaza常常被忽视，但它是自然聪明才智的一个显著例子。它例证了即使是最小的结构也能对物种的生存产生重大影响。在烹饪情境中，chalaza的存在有时会成为厨师和美食爱好者讨论的话题。当打开一个鸡蛋时，人们可能会注意到这些纤维，有些人选择将其去除以追求美观。然而，重要的是要认识到chalaza是完全可以食用的，并不会影响鸡蛋的味道或质量。事实上，许多厨师欣赏chalaza作为新鲜的标志，表明鸡蛋来自健康、精心照料的母鸡。chalaza还有超越生物学和烹饪的意义，它提醒我们支配生命本身的复杂过程。例如，研究胚胎发育的科学家经常检查chalaza以更好地理解胚胎如何在其保护环境中定位。这些知识可以推动生殖生物学和兽医学等领域的进步。此外，chalaza还可以激励艺术家和作家。其螺旋形状的美丽可以成为视觉艺术的灵感来源，而锚定和稳定的概念在诗歌和文学中也能引起深刻共鸣。因此，chalaza超越了其科学定义，成为生命相互联系的象征，以及生存所需的微妙平衡。总之，chalaza是一个小但强大的结构，在鸟类和爬行动物的胚胎发育中发挥着关键作用。它的功能超越了生物学，影响着烹饪实践并激发创造力。通过理解chalaza，我们获得了对生命复杂性的洞察，以及在自然宏伟挂毯中每个组成部分的重要性。无论我们是在烹饪一顿饭、研究生物学，还是创作艺术，chalaza都提醒我们周围存在的奇迹。