scanning electron micrograph showing the ultrastructural details seen in the cell wall Mycobacterium tuberculosis
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 m and a width between 0 2 0 5 m 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 p 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
Size: 4808px × 3566px
Photo credit: © Scott Camazine / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: bacteria, disease, illness, latent, medicine, pathogen, pathology, sem
