This graduated dissection model is suitable for medicine academy, biology specialty, or teaching or study. Packed in wooden box. This model is according to local anatomy operate order, cut head, neck, dorsonuchal, upper limbs, thorax, abdomen, pelvic,perineum, arm and leg parts, every cart can take down. In head make sagittal plane, and it can take whole brain model. The cerebrales is showing structure of cerebrum and cerebellum, cerebral nerves through the position of brainstem and blood vessel. From right side head and isthmus of thyroid gland does plane and section, is showing cervix section and nasal, pharynx and laryngeal cavity etc structure. The left side mandible is showing fossa infratemporalis of muscle, nerve and blood vessel. You can take down internal, external pterygoid muscle, superior, inferior lingular artery,sternocleidomastoid muscle, pectoral limb muscle, pectoral girdle muscle, dorsonuchal muscle, is showing partial blood vessel, nerve of position, branch and distributing. The right upper limb make sagittal and section, shows structure. Every organ can take down, and shows mediastinum and each structure; pelvic cavity and perineum are showing structure of pelvic wall and ischiorectal cavity; scrotum can show relation of layer structure; penis make section and show structure.