Afferent system Flashcards
1
Q
Dorsal columns pathway
A
sensory info enters via DRG (fasc. gracilius or cuneatus (if above T6)–>ascends medially and ipsilaterally-> decussates at caudal medulla-> becomes medial meniscus->VPL nucleus of thalamus->primary sensory cortex
2
Q
Which lamina project to the spinothalamic tract?
A
II, III, V
3
Q
Which lamina are responsible for local excitatory and inhibitory interneurons?
A
II (substantia gelantinosa)
4
Q
emotional pain, suffering cortex termination?
A
mediodorsal thalamus–> anterior cingulate