Term
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Definition
| Soma, axon, dendrites, myelin sheath, node of ranvier |
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Term
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Definition
| Chemically and physically support neurons |
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Term
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Definition
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Term
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Definition
| Blood and chemical support to neurons |
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Term
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Definition
| cover axons in myelin sheath |
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Term
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Definition
| Surround ganglia. Chemical support |
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Term
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Definition
-70mV
Sodium-potassium pump
3NA+ OUT 2K+ IN |
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Term
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Definition
+40mV depolarization
Voltage-gated NA+ channels open
Threshold level must be reached |
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Term
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Definition
Voltage-gated channels closed.
-70mV
No action potential during this period
Prevents: overlap, 'backwards' AP |
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Term
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Definition
Once threshold is reached, all APs are the same size.
Intensity depends on temporal and spatial summation. |
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Term
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Definition
| ENHANCES effect (excitatory or inhibitory) of NT |
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Term
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Definition
| INHIBITS effect (excitatory or inhibitory) of NT |
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