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8 Cards in this Set
- Front
- Back
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"Nervous System"
Purpose? |
-Uses electrochemical signals to communicate w/ body
-Rapid response (short lived) |
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Neuron Structure:
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Parts:
Dendrites, soma=cell body, nucleus, Axon Hillock Axon-{ Myelin sheath, Nodes of Ranvier } Axon Terminal Effector{synaptic knobs, synaptic cleft} |
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Functions of Dendrties?
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Receive info
-direct extensions of cytoplasm - generally multiple -provide an INCREASED Surface Area, the dendritic zone, to allow for synaptic interaction. |
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Function of Soma?
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intergration of info
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Function of AXON?
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Propogate action potential (AP)
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Function of MYELIN SHEATH
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insulator that allows FASTER transmition of AP (action potential)'s called
SALTABILTY CONDUCTION = AP jumps from node to node!! |
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GLIAL CELLS
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1) Astrocytes
2) Obligodendrocytes |
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(glial cells)
1. ASTROCYTES= |
Form blood brain barriers
-involved in K |
