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Product Item:Anatomical Human Rectum Pathology Lesion Model Hemorrhoids Anus Medical Teaching Size:12x12x19cm Material:PVC Feature: 1.This model shows the common anorectal diseases, such as hemorrhoid, anal fistula, fracture and 2 types of abscess with display. 2.The model also explains the ulcerative colitis, polyps and colorectal cancer. 3.This model is made of high-quality PVC