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Afferent Tracts of the Spinal Cord -
The information each tract is responsible for carrying (via conscious/unconscious relay pathways, divergent pathways)
8
Physiology
Graduate
03/04/2012

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Term
dorsal column/medial lemniscus
Definition
discriminative touch, conscious proprioception
Term
anterolateral tracts (anterior and lateral spinothalamic)
Definition
coarse touch, pain, temperature
Term
posterior spinocerebellar tract
Definition
unconscious proprioception for LEs & lower 1/2 of body
Term
cuneocerebellar tract
Definition
unconscious proprioception for UEs & upper 1/2 of body
Term
anterior spinocerebellar tract
Definition
lower 1/2 of body:
feedback on activity in spinal interneurons; "internal feedback tracts"
Term
rostrospinocerebellar tract
Definition
neck & UEs:
feedback on activity in spinal interneurons; "internal feedback tracts"
Term
anterolateral system
Definition
fast sharp pain
Term
divergent system
Definition
slow, aching pain
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