board structure of an intervertebral disk segment

anatomical anatomy anulus articular biology board body bodybuilding bone bones bony boy cartilage collagen column costal crossing didactic disk endplate fiber fibers fibrosus fibrous human hyaline inferior intervertebral ligament lumbar marginal medical medically medicine model nucleus physical process proportions pulposus ridge ring science skeletal skeleton spinal spinous sportive structures surface system systems trunk vertebrae vertebral wall