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18 Cards in this Set
- Front
- Back
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PARTS OF A NEURON
The cell body- the metabolic center of the neuron. |
Soma
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PARTS OF A NEURON
Contains the DNA of the cell |
Nucleus
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PARTS OF A NEURON
Receives information from other neurons |
Dendrites
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PARTS OF A NEURON
Swelling at the beginning of axon where summation occurs |
Axon Hillock
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PARTS OF A NEURON
Sends information to receiving neurons |
Axon
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PARTS OF A NEURON
Insulation for the axons: speeds up transmission of action potentials. |
Myelin sheath
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PARTS OF A NEURON
Gaps between myelin sheath which jumpstart the speed of neural transmission. |
Nodes of Ranvier
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PARTS OF A NEURON
Release chemicals during a synapse. |
Axon terminal buttons
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The ion channels open and close segment by segment causing the action potential to move along the Axon.
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Depolarization
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Any stimulation beyond a certain level coming into the neuron produces a sudden, massive depolarization of the membrane
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Action Potential
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Results from a difference in distribution of various ions between the inside and outside of the membrane.
The positive charge is greater outside the cell than inside |
Resting Potential
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The positive charge is greater outside the cell than inside the sell in resting potential? True or false
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true
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Excited and inhibits learning, attention, movement, and reinforcement.
Which Neurotransmitter is this? |
Dopamine
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Plays role in regulating mood, sleep, impulsivity, aggression and appetite
Which Neurotransmitter is this? |
Serotonin
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Affects eating habits, alertness, and wakefulness. Predominant in fear. Which Neurotransmitter is this?
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Norepinephrine
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Causes surges of energy. Predominant in anger. Which neurotransmitter is this?
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Epinephrine
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Signals that your body is feeling pain.
Which neurotransmitter is this? |
Substance P
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This is the body's natural painkillers.
Which neurotransmitter is this? |
Endorphins
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