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18 Cards in this Set
- Front
- Back
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The nervous system has four main functions what are they?
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Recieve information from the internal enviorment.
Recived information for the external enviorment. To interprate the information recived. To respond appropriatley to information recived. |
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Whats a nerve cell called
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Neuron
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Whats the term used for neurons comunication network
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Impulses
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What is the peripheral nervious system?
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They are the sensory nerves that take information from (Towards affent) the CNS
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What does the motor nerves do?
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They take the message AWAY (effernt) from the central nervouse system. CNS
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A nerve can be made up of?
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Sensory, motor or both sensory and motor fibers
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Whats grey matter in a nerve?
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The term used to dicribe the appirence of cell bodys
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What is white matter?
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The term used to dicribe axons or fibers
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Short projections that recieve impulses?
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DENDRITES
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Long progections that dransmit impulses?
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AXONS
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Cell that produce the myelin sheath
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SCHWANN CELLS
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Gaps in the myelin sheath that allow the passage of oxygen and nutrients?
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NODES OF RANVIER
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The space between two nurons is a?
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SYNAPSE
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The mebmbrain surrounding the nerve cell is the?
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Neurilemma
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Desnse connective tissue holding the nerve fibers together?
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NEUROGLIA
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The space between a neuron and a muscle fiber is know as?
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The neurmusclar junction.
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The part that contains the nucleus??
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CELL BODY
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A chemical that allows the transmition of a nervous impuls is?
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NEUROTRANSMITTER
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