Endoscope view of the inner wall (mucosa) of a healthy anus,the canal at the end of the digestive tract with internal and external sphincter muscles to open and close the orifice | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gastrolab |
Bildgröße: | 3343 px × 2622 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |