2-26-07 - Classification of neurons: function Sensory...

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-1Classification of neurons: function Sensory neuron (blue), motor neuron (red). Interneuron (purple) in between the other two on page 328 Ÿ Supporting cells: Neuroglia in the CNS Ÿ Astrocytes: bind capillaries and neurons Ÿ Microglia: phagocytize pathogens and debris Ÿ Ependymal cells: move cerebrospinal fluid (CSF) by ciliary action Ÿ Oligodendrocytes: form myelin Ÿ Supporting cells: Neuroglia in the CNS Ÿ Satellite cells: support cell bodies in ganglia Ÿ Schwann cells: (neurolemmocytes) form myelin Ÿ Myelination Ÿ Neuroglia: myelin (white lipid protein) Ÿ Neurofibril nodes: nodes of Ranvier White vs. grey matter Ÿ White matter: myelinated neurons Ÿ Grey matter: unmyelinated neurons Axon > Myelin sheath > Endoneurium > perineurium > Fascicle> Epineurium> Reflexes: Automatic response to dangerous situations OR automatic response to a stimulus Ÿ Ÿ Monosynaptic (stretch) reflex Ÿ Reflex arc characteristics. Ÿ
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This note was uploaded on 04/17/2008 for the course APK 2100 taught by Professor Dr.tillman during the Spring '07 term at University of Florida.

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2-26-07 - Classification of neurons: function Sensory...

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