It is manifested as an ulcer form of rectal .placed on a plastic seat. Used in school courses, educational displays and collectibles. A model of colorectal lesions (with a natural size of 1/2) shows various and rectal diseases. Great for school lessons, learning, exploring the message and is also a great complement to ornaments supplies. In the descending , adhesions and are well represented. Other pathological conditions include appendicitis, intussusception, Crohn's disease, ulcerative colitis, and adenocarcinoma. 100% new and high quality Excellent for Doctors, Midwife, students, Physiotherapists etc. Item Name: Gastrointestinal model Material:pvc colour:As shown Package Contents: 1 * Colorectal Model Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.