Four-limbed vertebrates, known as tetrapods, have two enlarged areas in their spinal cords. The two enlargements have a ...

Spinal muscular atrophy affects all the body's muscles. For a long time, it was considered a disease caused solely by the ...

Spinal muscular atrophy affects all the body’s muscles. For a long time, it was considered a disease caused solely by the ...

Timed release of therapeutic molecules from a soft nanofiber-hydrogel implant supports nerve regrowth and circuit repair after spinal injury, restoring movement and bladder control in preclinical ...

For decades, suffering from a spinal cord injury meant a very abrupt change in life. This is because there are very few therapies that address damaged "wiring". For those with spinal cord injuries, ...

Epidural steroid injections can deliver an anti-inflammatory steroid into the epidural space around the spinal cord. It is unclear why this might cause pain before relief, but there are many theories, ...

Quadriparesis is a condition in which you have muscle weakness in all four of your limbs (both legs and both arms). Also called tetraparesis, this weakness and diminished mobility can be temporary or ...

The nervous system consists of the central nervous system (brain and spinal cord) and the peripheral nervous system (motor nerves, sensory nerves, cranial and spinal nerves, autonomic ganglia, and ...

You can have left arm numbness due to your sleeping position or an injury. But it can also indicate underlying health conditions, including heart attack or stroke, that may need medical attention.

The human brain is comprised of 1011 neurons. Neurons are nerve cells that carry information to and from the nervous system to the various organs and systems of the body. These neurons are not ...