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What is a Neuron?
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an individual nerve cell
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terms list
What is a Neuron?
an individual nerve cell
Function of a Neuron
transmits info within body, combinding it with info from other sources
Direction of neural transmission
Enter through dendrites, exists through synaptic buttons
Cell body/soma
determines whether the neuron will be activated and thus transmit messages to other neurons
Dendrite is a...
branch nerve fiber
Function of a Dendrite
detects + receives neural info
Axon
transmits messages from soma to other cells in body including other neurons, muscles, organs and glands
Axon Structor
collect together in bundles, forms nerves
Node
small gaps between myelin sheaths
Myelin sheath
helps insulate the axon from axons of other neurons
Myelin sheath
w/o myelin sheath, interference may occur
Myelin sheath
more myelin sheath = less interference = faster electrical impulse
Axon terminal
branches at the end of each axon
Terminal/synaptic button
small knob at tip of branch
Terminal/synaptic button
Sac, store chemicals, neurotransmitters
Neurotransmitters
stimulate/block transmissions from one neuron to another
Synapse
point of communication
Synapse
Includes synaptic gap and small area of membrane of each connecting neurons
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