As a result, dermatomes begin with spinal nerve C2. Dermatomes have a segmented ... relay information from other parts of the body to the central nervous system. As such, each dermatome transmits ...

Damage to a nerve root can trigger symptoms in the nerve’s corresponding dermatome. Below, we show the locations of the dermatomes throughout the body. We also describe health conditions that ...

Of these 12 pairs, the olfactory and optic nerves arise from the forebrain and are considered part of the central nervous system: Olfactory nerves (cranial nerve I): transmit information about ...

Dear Doctors: I keep reading about how the vagus nerve has a lot to do with things ... heart rate and immune response, and it is central to the complex network of connections known as the gut ...

What Is a Myelin Sheath? Myelin sheaths are sleeves of fatty tissue that protect your nerve cells. These cells are part of your central nervous system, which carries messages back and forth ...

Evidence-based recommendations on phrenic nerve pacing for congenital central hypoventilation syndrome. This involves direct stimulation of the phrenic nerve, to produce the inhalation phrase of ...