Blastocyst, computer illustration. A blastocyst is a hollow ball of cells with a fluid centre formed after several divisions of a fertilised cell (zygote). The inner cell mass (purple) contains the cells that will form the embryo proper, the embryonic stem cells (ESCs). | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |