Herniating Disc Demonstration Model: This interactable model can be depressed and expanded to show the action of a herniating disc expanding and interacting with the spinal nerves, making it perfect for patient and student education. Cast from Real Human Bones: Human Bone Anatomy Models are cast from real human bones, depicting the bones natural textures and features. The highly-detailed replicas of human bones feature all the natural bony landmarks and anatomical features of real bones helping students visualize how the bones interact with their adjoining bones. High-Quality Skeletal Bones Anatomy: anatomical models are hand-painted and assembled with the utmost attention to detail. The skeleton bones for anatomy study are perfect for the doctor's office, anatomy classroom, or for medical students as a study aid Interact and Learn with Skeletal Bones Anatomy: While each individual human body is unique in its own special way, the Bone Models are perfect to begin to understand the human body more in-depth. In addition to its life size bones scale and level of natural details, this bone model is made of a durable PVC-based plastic, so you can take it anywhere without worrying about its durability or longevity. Functionality Through Varied Materials: Diverse materials like high-quality polyester netting, durable PVC plastic, and flexible rubber make this model kinetically similar to the action of the human lower lumbar spine. These varied textures and materials also make this spine model readily accessible for adaptive and spatial learning. Human Lumbar Herniating Disc Demonstration Anatomy Model This kinetic, durable, and anatomically accurate herniating spinal disc model makes an excellent hands-on learning tool for anatomists of all ages and professions. This interactable model can be depressed and expanded to show the action of a herniating disc expanding and interacting with (putting pressure on) the spinal nerves, making it perfect for patient and student education. This unique anatomy model highlights a variety of concepts and structures associated with lower back pain using a flexible build and varied materials to effectively simulate the movement of the human lower lumbar spine. Key Features Flexible One-Part Construction - this no-fuss anatomy model is composed of several parts, all put together for your convenience!Articulating Lumbar Spine - this product features a flexible spine that effectively communicates how a real human spine and spinal cord move with lower back flexion and extension.Varied Materials - diverse materials like high-quality polyester netting, durable PVC plastic, and flexible rubber make this model kinetically similar to the action of the human lower lumbar spine. These varied textures and materials also make this spine model readily accessible for adaptive and spatial learning.Excellent Color Contrast - this model's bright and contrasting colors make it as ideal for color-sighted and colorblind students alike.Three Year Product Protection - every Anatomy Model comes with a hassle-free 3-year product protection. If you have any questions about your model, please contact our US-based customer support team at 1.800.422.1134.