A herniated disc is a condition that can involve any part of the spine, but is most common in the neck (cervical spine) or the lower back (lumbar spine).
Spinal stenosis is the narrowing of the space for the spinal cord or nerve branches. More specifically, as the spine degenerates over time, it can lead to the formation of bone spurs.
Radiculopathy refers to symptoms resulting from compression or irritation of the spinal nerve root at its point of connection to the spinal column. This injury can also be referred to as a pinched nerve.
Cervical spondylosis is a general condition that occurs with aging and results in the weakening and drying out of the intervertebral discs in the neck.