Ascending Pathways Flashcards
1
postcentral gyrus
2
cerebral cortex
A
thalamus
B
midbrain
D
pons
E
medulla oblongata
3
nucleus gracilis
4
nucleus cuneatus
F
lateral spinothalamic tract
G
cervical spinal cord
H
lumbar spinal cord
5
fasciculus cuneatus
6
posterior spinocerebellar tract
7
fasciculus gracilis
8
lateral spinothalamic tract (temperature receptors)
9
lateral spinothalamic tract (pain receptors)
Non specific ascending pathways
lateral spinothalamic tract send impulses to the sensory cortex; are responsible for discriminative touch and conscious proprioception
specific ascending pathways
the fasciculus gracilis and fasciculus cuneatus tracts send impulses to the sensory cortex; are responsible for discriminative touch and conscious proprioception
the posterior spinocerebellar tract send impulses to the cerebellum and do not contribute to sensory perception