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Definition
| Central nervous system and peripheral nervous systems |
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Definition
| Autonomic nervous system and somatic nervous system |
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Definition
| group of many nerve fibers (axon of fibers) traveling together in PNS |
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Definition
| Cell in nervous system specialized to initiate, integrate and conduct electrical signals |
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Definition
Myelinated and unmyelinated
A fibers are most myelinated (fast)
B fibers are in middle
C fibers are thinnest and slowest |
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Term
| Info carried by an afferent neuron |
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Definition
| Info from tissues and organs of the body into the CNS, sensory info |
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Term
| Info carried by efferent neuron |
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Definition
| Info from the CNS our to effector cells like muscle, gland, or other nerve cells |
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Term
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Definition
| Insulating material covering axons of many neurons consisting of layers of myelin forming cell plasma membrane wrapped around axons |
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Term
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Definition
| Oligodendrocytes in CNS and Schwann cells in PNS |
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Definition
| Myelin speeds conduction by keeping in electrical signal and thereby saves energy and has trophic function in that it is supportive and maintains health of axon |
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Definition
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Term
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Definition
| blood brain barrier, metabolism, regulate ECF, support neuronal maintenance |
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Definition
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Definition
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Term
| How do neurotransmitters which remain outside of cell cause effects within electrically excitable cells |
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Definition
| Action potentials are used to cause effects of electrically excitable cells |
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Term
| How do neurotransmitters which remain outside of cell cause effects within cells that are not electrically excitable |
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Definition
| Enzymes are used to effect those not electrically excitable |
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Term
| Major fuel which neurons use |
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Definition
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Term
| Significance of blood brain barrier |
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Definition
| Selectivel inhibit what can get through endothelial cells to brain |
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