Basic Vertebrae (L2, L3, L4)Ideal for anatomy instructors, rehabilitation educators, and clinical training programs that need a clear, three dimensional lumbar spine reference for explaining vertebral structure, disc mechanics, and nerve pathways to students or patients. Full size normal L2, L3 and L4 with intervertebral discs and lumbar nerve section. Fully articulating vertebrae model. The removable reference card slots into the base.