False-colour scanning electron micrograph (SEM) of Neisseria gonorrhoeae (the gonococcus) the species of bacteria causing sexually-transmitted disease gonorrhoea. Individual bacterium are Gram- negative,non-motile,kidney-shaped and typically occur in pairs,being flattened or concave on the side facing partner. Infection occurs through genital mucous membranes of either sex: symptoms include pain on passing urine,a discharge of pus from penis (men) & vagina (women - some women experience no initial symptoms). Untreated,the infection spreads & may cause sterility (women): severe inflammation of urethra (men) may prevent passage of urine. Magnification: X 5,800 (35mm) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CNRI |
Bildgröße: | 3730 px × 2480 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |