High quality: The product is made of PVC plastic material die-casting process, with realistic image, real operation, easy disassembly, reasonable structure and durability Detailed display: 45cm spine, equipped with pelvis, sacrum, femoral head, vertebral artery, all nerve branches and protruding lumbar intervertebral disc Features: The model is designed as a teaching aid for anatomy and physiology courses to help students, Medical professionals understand the relationship between the human spine and pelvis Advanced: All major features of each spine are shown in high detail, including the spine, nerve roots, vertebral arteries, intervertebral discs, transverse processes and cross-sections of the spine, femur Wide Application: Suitable for clinical teaching and internship of students in medical schools, nursing schools, vocational health schools, clinical hospitals and primary health departments