Human embryo. Close-up footage showing a human embryo attached to amniotic membranes, approximately three weeks after fertilisation. At this stage, the heart begins to beat and arm buds are developing. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clouds Hill Imaging |
Modell-Rechte: | nicht erforderlich |
Länge: | 11 Sekunden |
Seitenverhältnis: | 4:3 |
Restrictions: | - |