Coloured transmission electron micrograph (TEM) showing the limit between the oocyte (light blue) and the zona pellucida (pink). In the oocyte, the cortical granules are green. Following fertilization, the exocytosis of these granules is important to prevent polyspermy. The microvilli of the oocyte (light blue) can be seen entering into the zona pellucida. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / JOSE CALVO |
Bildgröße: | 4188 px × 3072 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |