Damage to the basal ganglia of the brain.
Deterioration of the motor neurones in the body.
Loss of the protective myelin sheath from nerve fibres.
Paralysis of the face caused by injury or infetion of the facial nerve.
To insulate and protect axons
To help insulate axons
To speed up the passage of nerve impulses along the fibre.
To enable a verve impulse to be transmitted from one neuron to another.
To supply the muscles which move the eyes.
To supply the muscles which move the eyeballs
To transmit impulses from the taste buds.
To supply the muscles of the tongue enabling it to move.
Acceleration the action of the heart.
Constricting the flow of blood in the heart.
Slowing down the action of the heart.
Lowering blood pressure.
Muscles of the neck, shoulder and skin.
Chest muscles and the main part of the abdominal wall.
Muscles from the base of the neck in the fingertips and skin.
Skin and muscles of the lower abdomen, thights and groin.
Shooting pains along the course of a nerve.
Pain down the back and outside of the thight.
Disease of the basal ganglia.
Paralysis or weakness of one side of the face.
Control and coordinate movement
Regulate body changes
Tremors and rigidity in muscles.
Pain along the lenght of the nerve.
Lack of control over the motor system of the body.
Muscular weaknees, loss of muscular coordination, problems with skin sensation, speech and vision.
To reduce the rate and force of heart contraction.
To rise blood pressure.
To constrict the blood vessels in the digestive system.
To dilate the blood vessels.
The spinal cord
A sensory nerve
A motor nerve
Dilating blood vessels
Relaxing the erector pili muscles in the skin
Decreased heart rate
Low blood pressure
To help regenerate nerve cells.
To send impulses to the cell body.
To send impulses away from the cell body
To act as a chemical messenger allowing an impulse to be sent.