Colorectal lesion model human colon large intestine pathological diseases model medical organizer anatomy 14x17x21cmHuman Colon Large Intestine Pathological Diseases Model Medical Organ Anatomy Description: 100% new high quality. Color: As the picture shows Feature: The large intestine lesion model, 1 2, is naturally large, showing various diseases of the colon and rectum. In the descending colon area, adhesion and cancer are well represented. Other pathological conditions include appendicitis, Crohn's disease, ulcerative colitis and adenocarcinoma. The ulcerative