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Neuro 101
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Brain and Spinal Cord
Controls the bodies information and activity
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What makes up the CNS and what does it do?
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Created by
Matthew_Beaver88
Terms in this set (12)
Brain and Spinal Cord
Controls the bodies information and activity
What makes up the CNS and what does it do?
Connect the body to the organs and extremities
What does the PNS do?
Relay information to the brain concerning the environment
What do these neurons do?
Sensory Neurons
carry nerve impulses away from the brain
stimulate muscles, behavior, organs
What do these neurons do?
Motor neurons
transmit signals from one area of the brain to the other
What do these neurons do?
Interneurons
Dendrites = receive from other cells
Axon = Transports information from soma to target cells
What do dendrites and axons do?
polarized
Membrane potential is maintained by the Na+/K+ ATPase
All membranes are ....
Sodium channels open and there is rapid sodium influx
What is depolarization?
Potassium channels open and there is potassium efflux
What is repolarization?
Glutamate
Also
aspartate
Na+ Influx
Calcium Influx
What is the most prominent excitation neurotransmitter?
GABA Also glycine Cl- influx Potassium Eflux
What is the most common inhibitory neurotransmitter?
hormone outside of the CNS and as a Neurotransmitter in the CNS regulates movement, emotion, reward
Dopamine acts as a ......
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