Quotes About Brachial plexus

Pike dug his index finger into the soft tissue beneath the man's collarbone where twenty-six individual nerves joined into the brachial plexus. The supraclavicular nerve, which carried information into the spinal cord, ran close to the skin at that point, following a groove in the bone. When Pike crushed the nerve bundle hard into the bone, the entire brachial plexus fired a pain signal not unlike that from a root canal without novocaine.

In the worms and fish, there was only one area of positive potential, just as there was only one major nerve ganglion, the brain. In humans the entire head and spinal region, with its massive concentration of neurons, was strongly positive. The three specific areas of greatest positive potential were the same as in the salamander: the brain, the brachial plexus between the shoulder blades, and the lumbar enlargement at the base of the spinal cord.