File:Mycobacterium tuberculosis 8438 lores.jpg

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Mycobacterium_tuberculosis_8438_lores.jpg(700 × 475 pixels, file size: 49 KB, MIME type: image/jpeg)


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.
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.
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.
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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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  • Photo Credit: Janice Carr
  • Content Providers(s): CDC/ Dr. Ray Butler; Janice Carr
(Reusing this file)
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.
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Derivative works of this file: IRG activation following pathogen entry .jpg


Public domain
This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

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current19:45, 18 April 2006Thumbnail for version as of 19:45, 18 April 2006700 × 475 (49 KB)Patho (talk | contribs){{Information| |Description= ID#: 8438 Description: 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 t
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