网站首页  英汉词典

请输入您要查询的英文单词:

 

单词 The Immune System
释义

The Immune System

原声例句
TED演讲(视频版)双语精选

The immune system and microbiome are contemporary examples.

免疫系统和正常菌群是现代的例子。

经济学人(汇总)

The immune system is another concern.

免疫系统问题便是其中一个。

6 Minute English 六分钟英语

The immune system is our body's defence against infection and disease.

免疫系统是人体抵御感染和疾病的系统。

流利说

The immune system protects the body against infections and diseases.

免疫系统保护身体免受感染和疾病。

双语版 TED-Ed 演讲精选

Steroids can help dial down the immune system.

类固醇能帮助减低免疫系统反应。

双语版 TED-Ed 演讲精选

The immune system releases additional white blood cells in the alveoli to help.

免疫系统也会在肺泡中释放出更多的白血细胞去帮忙。

VOA 常速 2016年5月合集

And the immune system helps fight cancer.

而这种免疫系统帮助抵抗癌症。

哈佛大学《幸福课》

Bless you. The immune system is stronger, so it also helps in terms of physical health.

保佑你们。免疫系统更强所以对身体健康也有帮助。

Asap SCIENCE 精选

The immune system shuts down, inflammation is inhibited, white blood cells are reduced, and susceptibility to disease increases.

这时候,免疫系统就会停止工作,炎症被抑制,白细胞减少,对疾病的易感性增加。

摩登家庭第八季_Modern Family-Season08

I have the immune system of a horse.

我的免疫系统和马一样。

经济学人-科技

The immune system works, in part, by making antibodies that are specific to particular sorts of hostile molecule.

免疫系统可以部分参与产生那些针对某些有害分子的抗体。

流利说

If an infection invades the body, the immune system attacks it.

如果感染侵入身体,免疫系统就会攻击它。

日常生活医学科普

Infection, because of the weakening of the immune system.

感染,由于免疫系统减弱。

VOA常速英语_健康

That's designed to get the immune system to react.

这是为了让免疫系统做出反应。

环球慢速英语

He claims that it helps to improve the immune system.

他称这有助于改善免疫系统。

科普小杂文

Just one day of extra rest can boost the immune system.

只要多休息一天就能增强免疫系统。

比尔·盖茨读书论

He explains how infections work and how the immune system works.

他在书中讲到疾病的传染方式以及免疫系统的运作方式。

《自然》阅读精选

Antibodies are among the immune system's key weapons against infection.

抗体是免疫系统对抗感染的关键武器之一。

流利说

Sneezing and fever are examples of how the immune system works.

打喷嚏和发烧是免疫系统工作的例子。

加拿大剧拯救希望第一季

If it hijacks the immune system, and a cytokine storm occurs?

如果被它操控了整个免疫系统 并且发生了细胞因子风暴?

中文百科

免疫系统 Immune system

(重定向自The Immune System)
扫描电子显微镜图像一个中性粒细胞(黄色),吞噬了炭疽热细菌(橙色)。
扫描电子显微镜下,处于正常循环中的人类血液的图像。可以看到大量饼状的红血球,包括淋巴细胞、单核细胞、中性粒细胞在内的表面有突起的白血球,以及较小的盘状的血小板。
辅助型T细胞的功能:抗原呈递细胞将抗原呈递到细胞表面的II型MHC分子上,辅助型T细胞在其表面的CD4辅助受体(CD4+)的帮助下来识别这些抗原与MHC所形成的复合物。完成识别后,辅助型T细胞转变为活性状态,释放出细胞因子和其他激活信号(绿色箭头)从而激活巨噬细胞、杀伤型T细胞和B细胞,后者可以生产抗体。而激活B细胞和巨噬细胞可以进一步促进辅助型T细胞的增殖。
抗体分子由两条重链和两条轻链组成。重链和轻链上的可变区使得抗体可以识别不同的抗原。[59]

免疫系统是生物体体内一系列的生物学结构和进程所组成的疾病防御系统。免疫系统可以检测小到病毒大到寄生虫等各类病原体和有害物质,并且在正常情况下能够将这些物质与生物体自身的健康细胞和组织区分开来。

病原体可以快速地进化和调整,来躲避免疫系统的侦测和攻击。为了能够在与病原体的对抗中获胜,生物体进化出了多种识别和消灭病原体的机制。就连简单的单细胞生物,如细菌,也发展出了可以对抗噬菌体感染的酶系统。一些真核生物,例如植物和昆虫,从它们古老的祖先那里继承了简单的免疫系统。这些免疫机制包括抗微生物多肽(防御素)、吞噬作用和补体系统。包括人类在内的有颌类脊椎动物则发展出更为复杂多样的防御机制。典型的脊椎动物免疫系统由多种蛋白质、细胞、器官和组织所组成,它们之间相互作用,共同构成了一个精细的动态网络。作为复杂的免疫应答的一部分,人类的免疫系统可以通过不断地适应来更有效地识别特定的病原体。这种适应过程被定义为“适应性免疫”或“获得性免疫”。针对特定的病原体的初次入侵,免疫系统能够产生“免疫记忆”;当该种病原体再次入侵时,这种记忆就可以使免疫系统迅速作出强化的免疫应答(即“适应性”)。而适应性免疫正是疫苗注射能够产生免疫力的生物学基础。

英语百科

Immune system 免疫系统

(重定向自The Immune System)
A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange)
A scanning electron microscope image of normal circulating human blood. One can see red blood cells, several knobby white blood cells including lymphocytes, a monocyte, a neutrophil, and many small disc-shaped platelets.
Function of T helper cells: Antigen-presenting cells (APCs) present antigen on their Class II MHC molecules (MHC2). Helper T cells recognize these, with the help of their expression of CD4 co-receptor (CD4+). The activation of a resting helper T cell causes it to release cytokines and other stimulatory signals (green arrows) that stimulate the activity of macrophages, killer T cells and B cells, the latter producing antibodies. The stimulation of B cells and macrophages succeeds a proliferation of T helper cells.
An antibody is made up of two heavy chains and two light chains. The unique variable region allows an antibody to recognize its matching antigen.[58]

The immune system is a system of many biological structures and processes within an organism that protects against disease. To function properly, an immune system must detect a wide variety of agents, known as pathogens, from viruses to parasitic worms, and distinguish them from the organism's own healthy tissue. In many species, the immune system can be classified into subsystems, such as the innate immune system versus the adaptive immune system, or humoral immunity versus cell-mediated immunity. In humans, the blood–brain barrier, blood–cerebrospinal fluid barrier, and similar fluid–brain barriers separate the peripheral immune system from the neuroimmune system which protects the brain.

随便看

 

英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2024 encnc.com All Rights Reserved
更新时间:2025/6/22 4:29:29