Technician performing an ultrasound scan on a pregnant woman's foetus. He is holding a transducer against the skin. This emits high-frequency sound waves, whose echoes are used to build up a picture of the developing foetus. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clouds Hill Imaging |
Modell-Rechte: | nicht erforderlich |
Länge: | 22 Sekunden |
Seitenverhältnis: | 4:3 |
Restrictions: | - |