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26 Cards in this Set
- Front
- Back
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Two main cell types |
Neuron and glial cells |
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Name of cell body of neuron |
Soma |
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Darkspot within Soma |
Nucleus |
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End of Neuron |
Axon terminal |
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Coating on the Axon |
Myelin sheath |
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Space between Myelin |
Nodes of Ranvier |
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Accepts the message |
Dendrites |
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White and Grey nervous tissue |
White is myelinated, Grey is not |
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Cause of MS |
Myelin loss |
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Away and towards the NS |
Efferent, afferent |
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Somatic system |
Moving skeletal muscles |
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Smooth muscle controlled by what NS |
Autonomic Nervous System |
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Fight or flight |
Sympathetic |
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What are glial cells more susceptible to cancer |
They divide |
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Benign |
Non cancerous |
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Negative charge in Neuron |
Inside Neuron |
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Name of system that keeps imbalance between sodium and potassium |
Sodium potassium pump |
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Number of Neuron in body |
100 billion |
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How do anesthetics work |
Shut off sodium potassium pump |
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Example of anesthetic |
Benzocaine, cocaine |
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How to increase speed of Neuron |
Increase Myelin, bigger diameter |
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Types of synaptic transmission |
Chemical, electrical |
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Neurotransmitter deficit that causes depression |
Dopamine, epinephrine |
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What do inhibitors do |
Excite and inhibit |
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What happens during synaptic transmission |
Action potential, signal along Axon, neurons get released |
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4 types of neurotransmitters |
Acetylchoine, amines, amino acids, neuropeptides |
