NIH / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY NIH / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Neisseria gonorrhoeae. Coloured Transmission Electron Micrograph (TEM) of a single Neisseria gonorrhoeae bacterium, with adhesive filaments. At top (red) is part of the rounded bacterial cell. Protruding from it are thread-like filaments known as pili, with which the bacterium attaches to human mucosal cells during infection. Neisseria gonorrhoeae (gonococcus) causes the sexually- transmitted disease gonorrhoea. Infection occurs across the genital mucous membranes of either sex. Symptoms include pain on passing urine, and a pus discharge from the penis or vagina. Treatment is with antibiotic drugs. Magnification: unknown.
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