22.2 MB (3.8 MB compressed)
2550 x 3046 pixels
21.6 x 25.9 cm ⏐ 8.5 x 10.2 in (300dpi)
KWANGSHIN KIM / SCIENCE PHOTO LIBRARY KWANGSHIN KIM / SCIENCE PHOTO LIBRARY
Colour-enhanced, negatively-stained Transmission Electron Micrograph (TEM) of the cell wall of Mycobacterium tuberculosis, showing fibrous structures (mycolic acids) which are responsible for acid-fast reaction, the most distinctive property of the genus. Numerous pit or hole structures are also visible. M. tuberculosis is the causative agent of tuberculosis in humans. Magnification: 83,000x at 70mm.
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