MediPrakt™ Life Size Vertebrae Osteoporosis Model is designed as a visual learning aid suitable for anatomy and physiology courses, professional orthopedics, rheumatologists, chiropractic medicine, general anatomical study or rehab for patient education/demonstration of procedures. Consists of 4 medially divided lumbar vertebrae with inter-vertebral discs for comparison. Upper section shows healthy bone structure. Middle section shows osteoporotic bone structure. Lower section shows advanced osteoporotic bone structure with flattened plates, deformation and decreased mass. Removable from the stand for closer inspection. Made of washable, high quality PVC; in it's natural size and sits on a base.