5 Times Human Anatomy Rectal Hemorrhoids Lesion Model Internal Hemorrhoids Anal Model AnatomyAcne model rectal lesion model Features: This model, about 5 times the size, shows the rectum and anus of various diseases. Common anorectal diseases such as sputum, anal fistula, fissures and 2 types of abscesses are very detailed and shown. The model also illustrates ulcerative colitis, polyps and rectal cancer. Made of durable PVC material, lightweight with highly detailed and realistic anatomical accuracy Multi color zoning clearly displays organ