Neurons and Glia

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Neurons and Glia
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Nervous Tissue

• Function
• converts environmental and internal stimuli into
• nerve impulses
• stimulates or inhibits cells or glands
• Classification
• neurons
• neuroglia (glia)

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The Neuron
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Nerves

• Bundles of Axons
• Same function
• Phrenic nerve
• Alcohol Overdose

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Types of Neurons
Multipolar Neuron
Bipolar Neuron
Unipolar Neuron
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Neuron
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Neuronal Environment

• Neurons
• Dendrites
• Dendritic Bulbs
• Synapses

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Neuroglia

• Schwann Cell
• insulates PNS axons
• Oligodendrocyte
• insulates CNS axons
• Astrocyte
• regulatory function
• potassium balance
• nutrients/waste
• Microglia
• neural immune cells

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Astrocyte