coelom
简明释义
n. [动] 体腔
复 数 c o e l o m s 或 c o e l o m a t a
英英释义
A coelom is a fluid-filled body cavity that is completely surrounded by mesoderm tissue in animals. | 体腔是指在动物中由中胚层组织完全包围的充满液体的体腔。 |
单词用法
同义词
反义词
无体腔动物 | 无体腔动物缺乏真正的体腔,身体是实心的。 | ||
伪体腔动物 | Pseudocoelomates possess a fluid-filled cavity but it is not lined with mesoderm. | 伪体腔动物拥有充满液体的腔室,但它并没有被中胚层衬里。 |
例句
1.The oil could be absorbed quickly by navel area, thus regulate incretion and other organs in coelom, realize beautifying effect.
精油能迅速被脐部吸收从而逐步调节内环境,由内而外达到美容养颜的效果。
2.A pleural puncture apparatus, in particular to a coelom effusion and pneumatosis treating and inspecting apparatus, belongs to the technology field of medical device.
一种胸腔穿刺器具,特别是体腔积液、积气治疗检查的器具,属医疗器具技术领域。
3.To investigate the relationship between DNA ploid types and parameters of cellular kinetics of coelom fluid cells in patients with malignancies.
探讨恶性肿瘤患者体腔液细胞DNA倍体类型与细胞动力学参数之间的关系。
4.To investigate the relationship between DNA ploid types and parameters of cellular kinetics of coelom fluid cells in patients with malignancies.
[目的]探讨恶性肿瘤患者体腔液细胞DNA倍体类型与细胞动力学参数之间的关系。
5.Due to the restriction of the coelom of human organs, wide angle lenses are widely used in the medical electronic endoscope whose images are distorted badly.
为了在有限口径下获得更大的观察范围,医用电子内窥镜广泛采用广角物镜,图象存在较为严重的畸变。
6.A pleural puncture apparatus, in particular to a coelom effusion and pneumatosis treating and inspecting apparatus, belongs to the technology field of medical device.
一种胸腔穿刺器具,特别是体腔积液、积气治疗检查的器具,属医疗器具技术领域。
7.Methods DNA contents in coelom fluid cells were measured and analyzed from 91 patients with malignant carcinomas by flow cytometry.
方法采用流式细胞术对尚未进行化疗的91例恶性肿瘤患者体腔液细胞DNA含量进行了检测和分析。
8.Oocytes of female coelom were counted.
计数雌性个体体腔卵细胞。
9.Ultrasonography had great advantage over MRI in showing yolk sacs, amniotic sacs, extraembryonic coelom and embryocardia-beats ( P< 0.005).
MRI显示早早孕、早中期的卵黄囊、胚外体腔、羊膜囊及胎心搏动不如超声(P<0 .0 0 5 ) ;
10.In embryonic development, the formation of the coelom (体腔) occurs after the gastrulation stage.
在胚胎发育过程中,coelom(体腔)的形成发生在原肠阶段之后。
11.Anatomists study the coelom (体腔) to understand the evolutionary relationships between different species.
解剖学家研究coelom(体腔)以理解不同物种之间的进化关系。
12.Some invertebrates do not have a coelom (体腔), which distinguishes them from more complex organisms.
一些无脊椎动物没有coelom(体腔),这使它们与更复杂的生物区分开来。
13.The coelom (体腔) acts as a cushion for internal organs, providing them with space to grow.
coelom(体腔)充当内部器官的缓冲,给它们提供生长空间。
14.The presence of a true coelom (体腔) is a defining characteristic of higher animals.
真正的coelom(体腔)的存在是高级动物的一个定义特征。
作文
The term coelom refers to a fluid-filled body cavity that is found in many multicellular organisms, particularly within the animal kingdom. This structure is crucial for various biological functions and plays a significant role in the anatomy and physiology of these organisms. The coelom is located between the outer body wall and the inner digestive tract, providing a space for the development and organization of internal organs. In essence, it acts as a cushion for the organs, allowing them to grow and move independently of the body wall.In animals, there are three main types of body cavities: acoelomate, pseudocoelomate, and coelomate. Acoelomates, such as flatworms, lack a coelom, which means their organs are embedded in solid tissue. Pseudocoelomates, like roundworms, possess a body cavity that is not completely lined by mesoderm, the middle layer of tissue. In contrast, coelomates, including humans and other vertebrates, have a true coelom that is fully lined with mesodermal tissue.The evolutionary significance of the coelom cannot be overstated. It is believed that the presence of a coelom allowed for greater complexity in the body structure of organisms. With a well-defined body cavity, organs can develop more freely, leading to enhanced functionality and specialization. For instance, the coelom enables the development of a circulatory system, which is vital for transporting nutrients and oxygen throughout the body.Moreover, the coelom plays a key role in movement. In coelomate animals, the fluid within the coelom can act as a hydrostatic skeleton, allowing for more effective locomotion. This is particularly evident in organisms such as earthworms, where the contraction and relaxation of muscles against the fluid-filled coelom facilitate movement through soil.In terms of human anatomy, our own coelom is divided into several compartments, including the thoracic cavity, which houses the heart and lungs, and the abdominal cavity, which contains digestive organs. This compartmentalization allows for organized function and protection of vital organs. Understanding the structure and function of the coelom is essential for medical science, as it relates to how diseases can affect organ systems and overall health.In conclusion, the coelom is a fundamental aspect of animal biology that contributes to the complexity and functionality of living organisms. Its presence has allowed for evolutionary advancements, enabling the development of intricate organ systems and enhancing mobility. As we continue to study and understand the coelom, we gain deeper insights into the evolutionary processes that shape life on Earth. The coelom is not just a simple cavity; it is a vital component of the anatomy that supports life in numerous forms, reminding us of the intricate connections within the tapestry of biodiversity.
术语coelom指的是在许多多细胞生物中发现的充满液体的体腔,特别是在动物界中。这个结构对各种生物功能至关重要,并在这些生物的解剖学和生理学中发挥着重要作用。coelom位于外体壁和内消化道之间,为内部器官的发展和组织提供了空间。本质上,它作为器官的缓冲,使它们能够独立于体壁生长和移动。在动物中,主要有三种类型的体腔:无体腔动物、伪体腔动物和真体腔动物。无体腔动物,如扁虫,缺乏coelom,这意味着它们的器官嵌入在固体组织中。伪体腔动物,例如线虫,具有一个未完全被中胚层(即中间组织层)衬里的体腔。相比之下,真体腔动物,包括人类和其他脊椎动物,拥有一个完全由中胚层组织衬里的真正coelom。coelom的进化意义不容小觑。据信,coelom的存在允许生物体结构的更大复杂性。由于有了明确的体腔,器官可以更自由地发展,从而导致功能和专业化的增强。例如,coelom使循环系统的发展成为可能,这对营养物质和氧气在体内的运输至关重要。此外,coelom在运动中也发挥着关键作用。在真体腔动物中,coelom内的液体可以作为水压骨骼,使运动更加有效。这在蚯蚓等生物中尤为明显,在这些生物中,肌肉的收缩和放松与充满液体的coelom相互作用,促进了它们在土壤中的移动。在人类解剖学中,我们自己的coelom被分为几个隔室,包括胸腔,容纳心脏和肺,以及腹腔,包含消化器官。这种隔室化允许器官的有序功能和保护。理解coelom的结构和功能对于医学科学至关重要,因为它与疾病如何影响器官系统和整体健康相关。总之,coelom是动物生物学的一个基本方面,有助于生物体的复杂性和功能性。它的存在使得进化的进步成为可能,使复杂的器官系统的发展得以实现,并增强了运动能力。随着我们继续研究和理解coelom,我们对塑造地球生命的进化过程有了更深入的见解。coelom不仅仅是一个简单的腔体;它是支持许多生命形式的解剖学的重要组成部分,提醒我们生物多样性织锦中的复杂联系。