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11 Cards in this Set
- Front
- Back
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Where does the MLF synapse in the thalamus?
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Ventral Posterior Nucleus (VPN) of the thalamus
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Where do collaterals of the dorsal spinocerebellar fibers terminate (for conscious proprioception in the lower half of the body)?
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Nucleus Z
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What is the nucleus called that is a small cluster of cells adjacent to the nucleus gracilis?
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Nucleus Z
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What is an important "gating" area for relay of pain information?
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Substantia Gelatinosa
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What is unilateral segmental sensory signs usually due to? (symptoms: pain that radiates along the distribution of a spinal nerve or anesthesia/parasthesia along the dermatome)
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Due to involvement of dorsal root ganglia or spinal nerves
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In the thalamus where is the contralateral face represented?
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Inferomedially...(Ventromedial posterior nucleus)
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In the thalamus, where is the contralateral body represented?
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In the lateral VPN...ventrolateral posterior nucleus.
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In the thalamus, where is the foot represented?
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Most superolaterally in the VPN.
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Where do cells of the VPN send axons to terminate?
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In lamina IV of the postcentral gyrus.
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In the cortex, where is the face represented?
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Superomedially in the paracentral lobule.
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In the cortex, where is the face represented?
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Inferolaterally near the lateral fissure.
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