erythrocyte

简明释义

英[ɪˈrɪθrəsaɪt]美[ɪˈrɪθrəsaɪt]

n. [细胞] 红细胞；[细胞] 红血球

英英释义

单词用法

同义词

反义词

例句

1.Mouse bone marrow polychromatic erythrocyte micronucleus test was negative.

小鼠骨髓嗜多染红细胞微核试验阴性。

2.Methods Erythrocyte sedimentation rate of 79 normal controls and 36 patients was determined with sodium citrate and heparin.

采用枸橼酸钠和肝素两种抗凝剂，对79例正常人和36例病人的红细胞沉降率进行了测定。

3.Erythrocyte deformability is the significant characteristic of some diseases.

红细胞的变形能力是某些疾病的重要特征。

4.Methods: Erythrocyte sedimentation Rate were determined by using little ESR shelf and Micro-straw.

方法：采用特制小血沉架，用微量吸管测定红细胞沉降率。

5.There existed some characters of event group in erythrocyte parameters and reticulocyte parameters of those athletes.

运动员红细胞参数和网织红细胞参数具有一定的项群特征。

6.OBJECTIVE To extract the sphingomyelin from erythrocyte membrane and hydrolyze it to ceramide.

目的从红细胞膜中提取鞘磷脂并降解成神经酰胺。

7.The mouse bone marrow polychromatic erythrocyte micronucleus test was negative.

小鼠骨髓嗜多染红细胞微核试验为阴性。

8.Objective To Know the characteristic of erythrocyte in old diabetics at high altitude.

目的了解高原地区老年糖尿病患者红细胞的变化特点。

9.Fibrous sepiolite has cytotoxicity to human erythrocyte.

纤维海泡石对红细胞有毒性。

10.The main function of an erythrocyte is to transport oxygen from the lungs to the body's tissues.

一个红细胞的主要功能是将氧气从肺部运输到身体的组织。

11.A decrease in the number of erythrocytes can lead to anemia, causing fatigue and weakness.

数量减少的红细胞可能导致贫血，造成疲劳和虚弱。

12.Doctors often check erythrocyte levels during blood tests to assess overall health.

医生在血液检查中经常检查红细胞水平以评估整体健康状况。

13.Each erythrocyte is filled with hemoglobin, which binds to oxygen.

每个红细胞都充满了血红蛋白，它与氧气结合。

14.The lifespan of a typical erythrocyte is about 120 days.

一个典型的红细胞的寿命大约为120天。

作文

The human body is a complex and intricate system composed of various types of cells, each playing a crucial role in maintaining overall health. Among these cells, the most abundant are the red blood cells, scientifically known as erythrocytes. These remarkable cells are primarily responsible for transporting oxygen from the lungs to the tissues and organs throughout the body. In this essay, we will explore the structure, function, and significance of erythrocytes, as well as their role in various physiological processes. Erythrocytes are unique in their structure; they are biconcave discs that lack a nucleus and most organelles. This distinctive shape increases their surface area, allowing for more efficient gas exchange. The primary component of erythrocytes is hemoglobin, a protein that binds to oxygen molecules. Each erythrocyte can carry approximately 1 billion oxygen molecules, making them vital for sustaining life. The production of erythrocytes occurs in the bone marrow through a process called erythropoiesis, which is regulated by erythropoietin, a hormone produced by the kidneys in response to low oxygen levels in the blood. The primary function of erythrocytes is to transport oxygen from the lungs to the body's tissues. When we inhale, oxygen enters the alveoli in the lungs, where it diffuses into the bloodstream and binds to hemoglobin in the erythrocytes. As the blood circulates through the body, erythrocytes release oxygen to the cells, which use it for cellular respiration—a process that generates energy necessary for various bodily functions. Additionally, erythrocytes also play a role in transporting carbon dioxide, a waste product of metabolism, back to the lungs for exhalation. The significance of erythrocytes extends beyond oxygen transport. They also contribute to maintaining acid-base balance in the body and help regulate blood pH levels. Moreover, the lifespan of an erythrocyte is about 120 days, after which they are removed from circulation by the spleen and liver. This process ensures that old or damaged erythrocytes are replaced with new ones, maintaining optimal oxygen-carrying capacity. Anemia is a condition that arises when there is a deficiency in the number or quality of erythrocytes in the body. This can lead to fatigue, weakness, and a host of other health issues due to inadequate oxygen delivery to tissues. There are various types of anemia, including iron-deficiency anemia, which is caused by insufficient iron levels needed for hemoglobin production, and sickle cell anemia, a genetic disorder that affects the shape and function of erythrocytes. In conclusion, erythrocytes are essential components of the human circulatory system, playing a pivotal role in oxygen transport and overall homeostasis. Understanding the structure and function of erythrocytes not only highlights their importance in maintaining health but also underscores the significance of proper nutrition and lifestyle choices in supporting the production and function of these vital cells. A healthy diet rich in iron, vitamins, and minerals can promote the formation of robust erythrocytes, ensuring that our bodies receive the oxygen they need to thrive.

人体是一个复杂而精细的系统，由各种类型的细胞组成，每种细胞在维持整体健康方面都发挥着至关重要的作用。在这些细胞中，数量最多的是红血球，科学上称为红细胞。这些卓越的细胞主要负责将氧气从肺部运输到全身的组织和器官。在本文中，我们将探讨红细胞的结构、功能和重要性，以及它们在各种生理过程中的作用。 红细胞的结构独特；它们是双凹圆盘，缺乏细胞核和大多数细胞器。这种独特的形状增加了它们的表面积，使气体交换更加高效。红细胞的主要成分是血红蛋白，这是一种与氧分子结合的蛋白质。每个红细胞可以携带大约10亿个氧分子，这使得它们对维持生命至关重要。红细胞的生产发生在骨髓中，通过一种称为红细胞生成的过程进行，该过程由肾脏在血液中氧气水平较低时产生的促红细胞生成素激素调节。 红细胞的主要功能是将氧气从肺部运输到身体的组织。当我们吸气时，氧气进入肺泡，在那里它扩散到血液中并与红细胞中的血红蛋白结合。当血液在体内循环时，红细胞将氧气释放给细胞，细胞利用它进行细胞呼吸——这一过程产生维持各种身体功能所需的能量。此外，红细胞还在将代谢废物二氧化碳运输回肺部以便呼出方面发挥作用。 红细胞的重要性不仅限于氧气运输。它们还帮助维持体内的酸碱平衡，并帮助调节血液的pH值。此外，红细胞的寿命约为120天，之后它们会被脾脏和肝脏从循环中移除。这个过程确保旧的或受损的红细胞被新的替换，从而维持最佳的氧气携带能力。 贫血是一种由于体内红细胞数量或质量不足而引起的疾病。这可能导致疲劳、虚弱和一系列其他健康问题，因为组织无法获得足够的氧气。贫血有多种类型，包括缺铁性贫血，这是由于缺乏生产血红蛋白所需的铁元素而导致的，以及镰状细胞贫血，这是一种影响红细胞形状和功能的遗传性疾病。 总之，红细胞是人体循环系统的基本组成部分，在氧气运输和整体稳态中发挥着关键作用。了解红细胞的结构和功能不仅突显了它们在维持健康方面的重要性，还强调了适当营养和生活方式选择在支持这些重要细胞的生产和功能中的重要性。富含铁、维生素和矿物质的健康饮食可以促进强壮的红细胞的形成，确保我们的身体获得所需的氧气，以繁荣发展。