pathways

Question 1

How do afferents enter spinal cord?

Answer 1

via posterior roots

Question 2

which two main pathways can afferent take?

Answer 2

dorsal column or medial leniscal/ anterolateral

Question 3

dorsal column pathway

Answer 3

for touch

Question 4

anterolateral pathway

Answer 4

conveys info about pain and temperature

Question 5

How is spinal cross section organized?

Answer 5

it is split into the major motor pathways and major sensory pathways

Question 6

how do somatic pathways allow for a reflex arc?

Answer 6

the synapses in the spinal cord between the aff n and eff n enable rapid withdrawal of the extremity from danger.

Question 7

are reflex arcs monosynaptic?

Answer 7

sometimes, but often several interneurons are involved