Proctoscopic biopsy. A small piece of tissue from the rectum to evaluate for conditions such as rectal cancer or inflammatory bowel disease. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Bulgar, Wladimir |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |