pathways Flashcards
1
Q
How do afferents enter spinal cord?
A
via posterior roots
2
Q
which two main pathways can afferent take?
A
dorsal column or medial leniscal/ anterolateral
3
Q
dorsal column pathway
A
for touch
4
Q
anterolateral pathway
A
conveys info about pain and temperature
5
Q
How is spinal cross section organized?
A
it is split into the major motor pathways and major sensory pathways
6
Q
how do somatic pathways allow for a reflex arc?
A
the synapses in the spinal cord between the aff n and eff n enable rapid withdrawal of the extremity from danger.
7
Q
are reflex arcs monosynaptic?
A
sometimes, but often several interneurons are involved
