Sperm fertilising ovum. Light microscopy footage of a female sex cell (an ovum) being fertilised by male sex cells (spermatozoa or sperm cells). The sperm cells are attempting to penetrate two layers surrounding the ovum: the cumulus oophorus (cumulus cells) and the zona pellucida layer. This footage is of a rat ovum and rat sperm. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clouds Hill Imaging |
Modell-Rechte: | nicht erforderlich |
Länge: | 39 Sekunden |
Seitenverhältnis: | 4:3 |
Restrictions: | - |