Herniated spinal disc after treatment. Coloured X-ray of a section through the neck of a 51-year-old patient with a herniated (slipped) intervertebral disc between the C4-C5 cervical (neck) vertebrae, showing osteosynthesis screws and plates (white, centre) used to fix the C4-C5 vertebrae. Also seen are the fixings (white, left and right) of an orthopaedic collar used to support the head whilst the neck heals.