Fertilization is the fusion between an ovum and a sperm cell. It occurs following coitus that ends with the man ejaculating into the woman's vagina during her ovulation period. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / QA International |
Bildgröße: | 5965 px × 6140 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |