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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Oligodendrocytes |
Supports and insulates CNS neurons. |
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Astrocytes |
Regulates cerebrospinal fluid and attached to capillaries. |
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Schwann Cells |
Insulates peripheral neurons. |
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Myelin Sheath |
Fatty substances surrounding the axon of neurons. |
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Resting Potential |
When a nerve is not in use (-70mv). |
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Repolarisation |
Potassium channels open in order to release ions, after peak voltage (+40mv). |
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Refractory Period |
Allows neuron to return to normal polarised state (-70mv). |
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Continuous Conduction |
Step by step depolarisation along the length of axon membrane. |
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Saltatory Conduction |
Faster form of conduction using Schwann cells. |
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Neurotransmitter |
A chemical used to pass signals across a synapse. |
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Calcium |
Example of a molecule essential in synapse vesicle activation. |
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Presynaptic Neuron |
The neuron found before a synapse. |
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Postsynaptic Neuron |
The neuron on the receiving end of a synapse. |
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Synaptic Cleft |
The name of the gap between two neurons. |
Within the synapse. |
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Neuroglandular Junction |
A section where a neuron meets a hormone gland. |
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Neuromuscular Junction |
A section where a neuron meets a muscle. |
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Somatic Nervous System |
Section of the peripheral nervous system which controls voluntary muscle contractions. |
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Autonomic Nervous System |
Section of peripheral nervous system which controls involuntary muscle reactions. |
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