The dorsal root ganglion is a group of sensory neuron cell bodies just outside the spine. The dorsal root ganglion is involved in passing sensory signals to the central nervous system. The motor ...

Herniated discs and spinal stenosis are the most common causes of a pinched nerve in the lower back. Other conditions like fractures, tumors, and infections can bring about symptoms as well.

Demyelination slows down messages sent along axons and causes the axon ... For instance, demyelination of nerves in the lower spine may affect leg movement or bladder and bowel control.

Nerve pain may cause stabbing ... For example, sciatica can also affect the legs. Along with pain, a person with back pain may also have: difficulty sitting or standing difficulty putting weight ...