ovcmt, na- lec. 5
TRANSCRIPT
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Somatosensory Neuronal ArrangementSomatosensory Neuronal Arrangement
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PC ML Somatic ReceptorsPC ML Somatic Receptors
discriminative touch stereognosis
kinesthesia
vibration
proprioception
(conscious)
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Posterior Column Medial Lemniscus PathwayPosterior Column Medial Lemniscus Pathway
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Spinothalamic / Anterolateral Somatic ReceptorsSpinothalamic / Anterolateral Somatic Receptors
pain
itch, tickle
temperature
crude touch
deep pressure
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Spinothalamic / Anterolateral PathwaySpinothalamic / Anterolateral Pathway
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Trigeminothalamic PathwayTrigeminothalamic Pathway
carries pain, temperature
and crude touch from the
face, oral and nasal cavities,
and teeth CN V (trigeminal nerve) is
the 1 somatic sensory nerve
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Spinocerebellar pathwaySpinocerebellar pathway
proprioception (unconscious)
motor co ordination
balance, posture
pathways are ipsilateral
anterior and posterior tracts are
named for their cord location
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Cerebellar Inputs and OutputsCerebellar Inputs and Outputs