Neurons
This is a semipermeable membrane in the brain that protects the brain form foreign objects
What is the blood - brain barrier?
This is cranial nerve III and controls voluntary movement of the eyeballs, including pupil constriction.
What is the Oculomotor nerve?
This lobe interprets impulses arising from the retina.
What is the occipital lobe?
This neuron fiber carries impulses toward the cell body
What is a dendrite?
This is cranial nerve I and controls the sense of smell.
What is the Olfactory nerve?
Messages from the internal ear and from sensory receptors in tendons and muscles helps maintain this function.
What is balance?
This neuro fiber carries impulses away from the cell body.
What is an axon?
Damage to this nerve causes sagging facial muscles.
What is cranial nerve VII, the facial nerve?
When this area of the brain is damaged, a person can understand what is being said but has difficulty expressing themselves.
What is Broca's area?
The neuron has 3 basic parts.
What are the cell body, dendrites, and and axon?
This cranial nerve is the longest and supplies organs in the head, neck, thoracic and abdominal; cavities.
What is cranial nerve X, the vagus nerve?
When this area of the brain is damaged a person can understand sentences but has trouble expressing their ideas into words.
What is the Broca area?
The myelin sheath is made up of Schwann cells that encase the axons in the neuron and acts to insulate the axon in the peripheral nervous system. Along the myelin sheath there are tiny gaps in the axon that are important in speeding nerve impulse conduction. These gaps are called
What are Nodes of Ranvier?
When this cranial nerve is damaged, there is impaired movement of the head, neck and shoulders.
What is cranial nerve X!?
This area is responsible for learning and emotions such as anger, fear, sorrow, pleasure, and sexual feelings
What is the Limbic system?