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13 Cards in this Set
- Front
- Back
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Carry information towards a structure.
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afferent
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Carry information away from a structure.
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Efferent
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A neuron whose anatomy is within a specific brain area.
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Intrinsic
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Bundles of mylinated axons that is carrying information from one area to another in the brain.
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Gray matter
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Clusters of cell bodies and dendrites.
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Gray Matter
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What are the disadvantages of the Blood-brain barrier?
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1. not being able to get drugs into the brain to help it.
2. not being able to increase the brains energy |
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always open, ions can easily move in and out.
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passive ion channels
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open at a specific membrane potential.
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Voltage dependent (or gated) ion channels
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Differential distribution of ions across the membrane, due to the selective permeability of the membrane to ions through passive channels and Na and K pump.
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concentration gradient
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What are the advantages and disadvantages of resting potential?
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adv.- ready to send signals quickly
disadv.-takes a lot of energy |
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At or above threshold, you will always get an action potential that looks and acts the same.
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All or None Law
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A drug that increases or mimics neurotransmiter effects.
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Agonist
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Drugs that block neurotransmitter effects.
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Antagonist
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