Iris. Computer-enhanced image of a blue human iris. The iris is a ring of muscle fibres. It contracts and relaxes to alter the amount of light entering the eye through the pupil (black) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Parker, David |
Bildgröße: | 3723 px × 3886 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |