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Neurons Stephen Richards

Nervous SystemCentral Nervous System (CNS)- brain and spinal chordPeripheral Nervous System (PNS)- all nerves extending from and going to the CNSComposed of over 100 billion neurons

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Слайд 1Neuron- highly specialized cell that transmits electrical impulses
Stephen M. Fowler

Neuron- highly specialized cell that transmits electrical impulsesStephen M. Fowler

Слайд 2Nervous System
Central Nervous System (CNS)- brain and spinal chord
Peripheral Nervous

System (PNS)- all nerves extending from and going to the

CNS
Composed of over 100 billion neurons
Nervous SystemCentral Nervous System (CNS)- brain and spinal chordPeripheral Nervous System (PNS)- all nerves extending from and

Слайд 3Elements of a Neuron

Elements of a Neuron

Слайд 4Neurotransmitters
Are required along with vesicles to transmit a nerve impulse

from one neuron to another over the synapse.

NeurotransmittersAre required along with vesicles to transmit a nerve impulse from one neuron to another over the

Слайд 5Classes of Neurons
Afferent- do not have dendrites: transmit impulses from

specialized structures to the Central Nervous System
Efferent- conduct electrical signals

from the CNS to muscle or glad cells
Inter- reside entirely within the CNS and make up about 99% of all neurons
Classes of NeuronsAfferent- do not have dendrites: transmit impulses from specialized structures to the Central Nervous SystemEfferent-

Слайд 6Neuroscience Terminology
Nerve- bundle of axons in the PNS
Pathway- bundle of

axons in the CNS
Commissure- a collection of nerve fibers linking

the left and right halves of the CNS
Nuclei- cell bodies linked together in the CNS
Ganglia- cell bodies linked together in the PNS
Neuroscience TerminologyNerve- bundle of axons in the PNSPathway- bundle of axons in the CNSCommissure- a collection of

Слайд 7References
Pasternak
http://en.wikipedia.org/wiki/Main_Page
http://psych.athabascau.ca/html/Psych402/Biotutorials/2/myelin.shtml

ReferencesPasternakhttp://en.wikipedia.org/wiki/Main_Pagehttp://psych.athabascau.ca/html/Psych402/Biotutorials/2/myelin.shtml

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