25.0 MB (1.9 MB compressed)
2494 x 3497 pixels
21.1 x 29.7 cm ⏐ 8.3 x 11.7 in (300dpi)
ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Chlamydia trachomatis. False-colour transmission electron micrograph (TEM) of a cluster of the bacteria, Chlamydia trachomatis. These spherical, virus-like bacteria parasitise human cells in order to reproduce. Chlamydia trachomatis causes various types of genital, eye, and lymph node infections. It is responsible for the sexually- transmitted diseases: lymphogranuloma venereum (enlarged lymph glands with skin ulcers), and non- specific urethritis (NSU) affecting the urogenital tract. It also causes trachoma eye disease, a serious cause of blindness. Treatment is effective with antibiotic drugs such as erythromycin. Magnification: x60,000 at 6x4.5cm size.
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