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Organization rules of the brain stem:
distribution of the functionally
diverse neurons
Zsófia Bujtár
Neuron vs. nerve
Neuron
Is an individual cell
Nerve
Is a number of cells
Make up a conducting zone for
Electrical and chemical signals
transporting signals from
originate in neuron
neurons
Brain stem
Brain stem
• reticular formation controlling respiratory and circulatory
mechanisms
• subcortical acoustic and vestibular centers
• main source of monoamine transmitters
• major motor and sensory projections pass through the brain
stem
• processing centers of most cranial nerves
Cranial nerves
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