coloured central portion of the eyeball composed of muscles whose dilation or contraction controls the opening of the pupil. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / QA International |
Bildgröße: | 2172 px × 2229 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |