Artwork of sperm and egg just before fertilisation
Bildnummer 11874396
| Fertilisation. Computer artwork of human sperm approaching an egg (ovum,yellow) just before the process of fertilisation. Each sperm has an oval head and a hair-like tail which it beats with a whiplash motion to enable it to swim. The human female usually produces a single large egg from the ovary,while the male releases some 300 million much smaller sperm. The sperm travel through the uterus (womb) and up the fallopian tubes to reach the egg. A sperm must penetrate the egg; this penetration is aided by enzymes contained in the sperm's head. Only one sperm can fuse with the egg nucleus. Fertilisation enables male and female genetic material to be shared | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Kulyk, Mehau |
| Bildgröße: | 4612 px × 3886 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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