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25 Cards in this Set
- Front
- Back
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Dendrite
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Bushy fibers that receive information and conduct it toward the cell body.
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Axon
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Passes information to other neurons or to muscles or glands.
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Action Potential
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An impulse, or brief electrical charge that travels down the axon
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Terminal Branches of Axon
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Form junctions with other cell bodies.
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Cell Body
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Life-support center of a neuron.
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Neurotransmitters
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When an action potential reaches the knoblike terminals at an axon's end, these release and bind to receptor sites on the receiving neuron.
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Threshold
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Minimum level of stimulation
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Synapse
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Meeting point between neurons.
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Endorphins
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Neurotransmitter molecules similar to morphine in response to pain and vigorous exercise.
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Threshold
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Minimum level of stimulation
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Acetylcholine (ACh)
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Enables muscle action, learning and memory
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Dopamine
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Influences movement, learning, attention, and emotion
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Endorphins
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Neurotransmitter molecules similar to morphine in response to pain and vigorous exercise.
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Serotonin
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Affects mood, hunger, sleep, and arousal
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Sympathetic Nervous System
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Division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations.
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Serotonin
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Affects mood, hunger, sleep, and arousal
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Norepinephrine
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Helps control alertness and arousal
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Parasympathetic Nervous System
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Division of the autonomic nervous system that calms the body, conserving its energy.
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Dopamine
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Influences movement, learning, attention, and emotion
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Sympathetic Nervous System
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Division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations.
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Serotonin
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Affects mood, hunger, sleep, and arousal
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Parasympathetic Nervous System
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Division of the autonomic nervous system that calms the body, conserving its energy.
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Norepinephrine
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Helps control alertness and arousal
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Sympathetic Nervous System
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Division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations.
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Parasympathetic Nervous System
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Division of the autonomic nervous system that calms the body, conserving its energy.
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