Brain and arteries. Coloured three-dimensional MRA (magnetic resonance angiography) scan of healthy arteries (red) supplying a human brain (blue) with oxygenated blood. The front of the brain is at left. MRA is a magnetic resonance imaging (MRI) technique that highlights blood vessels without the use of X-rays or the need to inject a radio- opaque contrast medium | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Zephyr |
Bildgröße: | 4134 px × 3543 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |