1
Q
six types of sensory input
A
- proprioception
- light touch
- deep touch
- vibration
- pain
- termperature
2
Q
what information is processed by the PCML pathway?
A
- vibration
- proprioception
- light touch
3
Q
what information is processed by the antero-lateral pathway?
A
- pain
- temperature
- crude touch
4
Q
where do PCML primary sensory neurons enter the cord?
A
- posterior column
half ascend, half go to interneurons
5
Q
what level do PCML 1SNs synapse to 2SNs?
A
level of the caudal medulla
site of decussation
6
Q
where do PCML 2SNs synapse to 3SNs?
A
thalamus
7
Q
where do PCML 1SNs from the lower body travel?
A
fasciculus gracilis
on the medial side of the posterior column
8
Q
where do PCML 1SNs from the upper body travel?
A
fasciculus cuneatus
on the lateral side of the posterior column
9
Q
where do lower body PCML 1SNs synapse to 2SNs
A
nucleus gracilis
10
Q
where do upper body PCML 1SNs synapse to 2SNs
A
nucleus cuneatus
KIN 411
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