The brain is like a computer that controls the body's functions, and the nervous system is like a network that relays messages to parts of the body.
The Central Nervous System is made up of your brain and your spinal cord. It is the main control center of your body, and the center of thought. Your Central Nervous System controls most of the actions within your body.
If the brain is like a central computer that controls all the functions of your body, then the nervous system is like a network that sends messages back and forth from the brain to different parts of the body. It does this via the spinal cord, which runs from the brain down through the back and contains threadlike nerves that branch out to every organ and body part.
Firstly, let’s discuss myelin. Myelin is the coating that surrounds the nerves. Think of it as the wires that you use to plug things into an electrical outlet. These coverings, called myelin, can become damaged by inflammation. When this happens it is called “demyelination.”
So, again, think of these wire coverings. They’re the plastic with the braided metal cord inside. When demyelination occurs the myelin (or coating around he nerve) is destroyed.
When myelin is damaged, the transmission of electrical signals along axons is impaired, so your body may not get signals that it’s supposed to be receiving.
Your brain stem sits at the base of the brain and connects it to the spinal cord. The brain stem controls the flow of information between the brain and the rest of the body, and also controls many of the involuntary movements that your body does every single day.
The brain stem is in charge of all the functions your body needs to stay alive, like breathing air, digesting food, and circulating blood.
The segment of the spinal cord at which the damage occurs determines which parts of the body are affected. Damage at one segment will affect function at that level and below. In individuals with transverse myelitis, myelin damage most often occurs in nerves in the upper back, causing problems with leg movement and bowel and bladder control, which require signals from the lower segments of the spinal cord.
C2 - C5
Paralysis of some or all muscles used for breathing and all arm and leg muscles. Typically fatal unless a ventilator is used.
Paralysis of the legs, trunk, hand and wrist. Weakness of the muscles that move the shoulder and elbow.
Paralysis of the legs, trunk, and part of the wrists and hands. Normal movement of the shoulders and elbows.
C7 - C8
Paralysis of the legs, trunk, and hands.
C8 - T1
Paralysis of the legs and trunk. Weakness of the muscles that were fingers and hands. I simply normal movement of the shoulders and elbows.
Process of the legs and trunk. Loss of sensation below the nipples. Normative meant the shoulders and elbows.
Paralysis of the legs and lower trunk. Loss association below the rib cage.
T9 - T11
Paralysis of the legs. Lots of sensation below the navel.
Paralysis of and loss of sensation in the hips and legs.
L2 - S2
Various patterns of leg weakness and numbness, depending on area of damage.
Numbness of the peritoneum.