Biol 216 5 The Neuron 1-30.pdf - Power point 5 The Neuron...

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5/18/17 1 Power point 5: The Neuron Learning Goals 1.Describe the different types of neurons (structure, function, location) and support cells (glia, astrocytes etc.) and differentiate between white and grey matter 2. Describe and give examples of the major types of synapses 3. Explain the basis of membrane potentials 4. Describe the types and properties of ion channels 5. Explain the key features of action potentials; compare and contrast action potentials with graded potentials 6. Explain the basis of conduction velocity 7. Describe the main components of neurotransmission at the chemical synapse and provide examples of key neurotransmitters
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5/18/17 2 Neurons Whereare they found? and What do they do? CNS and PNS CNS : brain, spinal cord (interneurons ) PNS : afferent and efferent neurons Afferent neurons : sensory neurons; Pick up stimulus via sensory receptors Transmit this info to interneurons (usually) in CNS Interneurons : integrate the information, Formulate a response Efferent neurons: carry the response signal to the muscles, glands so that response can be carried out Motor neuron : type of efferent neuron that carries signals to the skeletal muscle
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5/18/17 3 Information Processing in the Nervous System Sense Integrate Act Afferent neurons Usually, have one axon with two branches : peripheral branch (from the cell body to the
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  • Spring '14
  • BarbaraKuemerle

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