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10 Cards in this Set
- Front
- Back
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Which spinal cord tracts are the conscious afferents?
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Fasiculus gracile
Fasiculus cuneatus Spinothalamic |
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Which conscious afferent responds to touch and pressure in the lumbar and sacral regions?
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Fasiculus gracile
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Which conscious afferent responds to touch and pressure in the cervical and thoracic regions?
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Fasiculus cuneatus
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Which conscious afferent responds to heat/cold/pain?
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spinothalamic
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What does the spinothalamic respond to?
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heat/cold
pain |
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What does the fasiculus gracile respond to?
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touch and pressure in the lumbar and sacral regions
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What does the fasiculus cuneatus respond to?
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touch and pressure in the cervical and thoracic regions
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Does the spinothalamic tract decuss? If so, where?
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Yes, in the spinal cord.
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Does the fasiculus gracile decuss? If so, where?
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Yes, in the medulla of the brain prior to the medial lemniscus.
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Explain the general pathway of conscious afferents.
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Spinal cord - thalamus - somatic sensory region of the brain
Also back up into reticular system, and reflex arc along efferent nerve. |
