Illustration of a female roundworm. Roundworms have long, cylindrical bodies with a tough covering. Eggs laid by the female are excreted in the faeces of infected people. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / DK IMAGES |
Bildgröße: | 4318 px × 2518 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |