pg 23- x(general somatosensory systems) Flashcards
1
Q
what are the two main general somatosensory systems/pathways?
A
spinothalamic system, medial lemniscus system
2
Q
what is the spinothalamic system?
A
anterolateral system, primarily concerned with sensations of nociception, temp, light/non-discriminative touch
3
Q
what is the medial lemniscus system?
A
dorsal/posterior column system, primarily concerned with sensations of fine/discriminative touch, proprioception, vibration
4
Q
where are primary sensory neuron cell bodies located?
A
ganglia of spinal and cranial nerves (DRG)
5
Q
where are the secondary neuron cell bodies located?
A
spinal cord or brainstem
6
Q
where are the tertiary neuron cell bodies located?
A
thalamus