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Nervous System

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University of the East College of Dentistry
University of the East College of Dentistry
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Nervous System
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synapse The specialized region of contact where nurotransmitter is released from an axon to stimulate another cell is called a synapse. in the CNS such contacts are usually with the dendrites of other neruns(axodentritic synapses), but they may be with the cell body(axosomatic synapses)such contacts with the axon(axoaxonic synapses) are uncommon In the PNS the synaptic contact of motor nerves is usually with muscle or glandular epithelial cell.
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[object Object],[object Object],Composition of myelin Myelin made by different cell types varies in chemical composition and configuration, but performs the same insulating function. Myelinated axons are white in appearance, hence the "white matter" of the brain. Myelin is composed of about 80% lipid and about 20% protein .
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Ependymal Cells, Repair in Central Nervous System Introduction to Autonomic Neurons System
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Nervous System

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  • 21. synapse The specialized region of contact where nurotransmitter is released from an axon to stimulate another cell is called a synapse. in the CNS such contacts are usually with the dendrites of other neruns(axodentritic synapses), but they may be with the cell body(axosomatic synapses)such contacts with the axon(axoaxonic synapses) are uncommon In the PNS the synaptic contact of motor nerves is usually with muscle or glandular epithelial cell.
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  • 55. Ependymal Cells, Repair in Central Nervous System Introduction to Autonomic Neurons System
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Editor's Notes

  1. Irritability – the capacity to react in graded manner to physical or chemical stimuli Conductivity – the ability to transmit excitation rapidly from one place to another