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Figure 11.1 Components of the nervous system.
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Table 11.1 Comparison of Structural Classes of Neurons (1 of 3)
Sensory neuronsMotor neurons,CNS, and othersites
Rare.Eye, ear, nose
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Figure 11.2 Types of neurons in the nervous system.
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Figure 11.2 Types of neurons in the nervous system.
_______neuron
Axon hillock
Interneuron
Brain and spinal cord
_____neuron
Skin
Muscle
Impulse direction
Distance across the cytoplasm (not including processes) is up to 200 µm in humans (motor neurons of ventral horn of spinal cord )
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Figure 11.7a A myelinated motor neuron
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Figure 11.7a A myelinated motor neuron of the peripheral nervous system.
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Figure 11.7b A myelinated motor neuron of the peripheral nervous system.
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Figure 11.8 Summary of synaptic transmission. (1 of 4)
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Table 11.1 Actions of common neurotransmitters
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Figure 11.13 The ventricles of the brain and circulation of cerebrospinal fluid.
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Figure 11.13 The ventricles of the brain and circulation of cerebrospinal fluid.
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Figure 11.14a–b The human spinal cord.
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Figure 11.14b–c The human spinal cord.
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Figure 11.14b–c The human spinal cord.
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Figure 11.14b–d The human spinal cord.
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Figure 11.10 Spinal reflexes.
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Figure 11.10 Spinal reflexes. Slide 4
To brain
Effectormuscles(thigh)
Interneurons
Spinal cord
_____neuron _____neuron
Extensor reflexFlexor reflex