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File:Mycobacterium tuberculosis 8438 lores.jpg

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Mycobacterium_tuberculosis_8438_lores.jpg （700 × 475像素，文件大小：49 KB，MIME类型：image/jpeg）

摘要

描述
English: Under a high magnification of 15549x, this scanning electron micrograph (SEM) depicted some of the ultrastructural details seen in the cell-wall configuration of a number of Gram-positive Mycobacterium tuberculosis bacteria. As an obligate aerobic organism, M. tuberculosis can only survive in an environment containing oxygen. This bacterium ranges in length between 2-4 microns, with a width of 0.2-0.5 microns. See PHIL 9997 for a colorized version of this image.

TB bacteria become active, and begin to multiply, if the immune system can't stop them from growing. The bacteria attack the body and destroy tissue. If in the lungs, the bacteria can actually create a hole in the lung tissue. Some people develop active TB disease soon after becoming infected, before their immune system can fight off the bacteria. Other people may get sick later, when their immune system becomes weak for another reason.

Babies and young children often have weak immune systems. People infected with HIV, the virus that causes AIDS, have very weak immune systems. Other people can have weak immune systems, too, especially people with any of these conditions: substance abuse; diabetes mellitus; silicosis; cancer of the head or neck; leukemia or Hodgkin's disease; severe kidney disease; low body weight; certain medical treatments (such as corticosteroid treatment or organ transplants); specialized treatment for rheumatoid arthritis, or Crohn's disease.
Français : Mycobacterium tuberculosis grossi 15 549 fois.
Deutsch: Mycobacterium tuberculosis wie 15549x durch Elektronenmikroskop.
Español: Mycobacterium tuberculosis ampliado a 15549x.
中文：掃描電子顯微鏡下的結核桿菌.
Suomi: Mycobacterium tuberculosis 15549-kertaisena suurennoksena.
Čeština: Bakterie Mycobacterium tuberculosis, původce TBC.
Magyar: Mycobacterium tuberculosis.
한국어: 결핵균의 전자현미경 사진.
Simple English: TB bacteria, shown as 15549x larger by electron microscope.
Kurdî: Girtineke elektronmîkroskobîk a bakteriyên tûberkûlozê pêk tînin.
Afrikaans: 'n Skanderende mikrograaf van Mycobacterium tuberculosis.
粵語: 掃描電子顯微鏡下嘅結核桿菌.
日期
来源

This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #8438.

Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers.

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作者
  • Photo Credit: Janice Carr
  • Content Providers(s): CDC/ Dr. Ray Butler; Janice Carr
授权
(二次使用本文件)		 PD-USGov-HHS-CDC
English: This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy, we request that the content provider be credited and notified in any public or private usage of this image.
其他版本

Derivative works of this file:  IRG activation following pathogen entry .jpg

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许可协议

Public domain
本图片是美国卫生及公共服务部旗下的美国疾病控制与预防中心的作品，系有关雇员作为其公务目的所拍摄或制作。作为美国联邦政府的作品，本图片属于公有领域。

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断定方法：​美国联邦政府的作品 简体中文（已转写）

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