Human sperm
Numéro d’image : 11874141
| Sperm. Light micrograph of a field of human sperm (spermatozoa) swimming through a physiological medium. These tiny male sex cells produced in the testes are responsible for fertilising the female's ovum (egg). Each sperm has a rounded head which contains the male hereditary material (DNA),and a long whip-like tail that propels it along. Some 300 million sperm are released by the male,while the human female usually produces a single large egg. The sperm travel through the uterus (womb) and up the fallopian tubes to reach the egg. Only one sperm can fertilise the egg. Magnification: unknown | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Goetgheluck, Pascal |
| Taille de l’image : | 3705 px × 2470 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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