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Unformatted text preview: 1-16-08 anatomy notes1.Organ Systems2.Nervous Systemi.Morphological Classification of Neurons1.Pseudounipolar Neuronsa.Has one fiber off of cell bodyb.With only one axonc.Typical of sensory neuronsd.Have to be able to generate nerve impulses and send into neuron (reason for long axon)2.Bipolar Neurona.Has one dendrite and one axonb.Specialized sensory neuronsi.Retina-eyeii.Taste buds-tongueiii.Olfactory-nose tissue3.Multipolar Neurona.Can have up to 200 dendrites and only 1 axoni.Called multipolar b/c of how many dendrites it hasb.most common neuron in the nervous systemii.Functional Classification of Neurons1.Motor or Efferent Neuronsa.Nerve impulses from brain or spinal cordto muscles or glands2.Sensory or Afferent Neuronsa.Nerve impulses from peripherybrain or spinal cord3.Interneurons (Association Neurons)a.Internuncial-in between different neuronsb.Only in brain or spinal c.Send nerve impulses:i.From sensory to motor neuronsii.From one interneuron to anotheriii.Structure (Multipolar Neuron)...
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