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Flashcards in Final Tracts Deck (54)
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1

DCML - DC side

ipsilateral

2

DCML - ML side

contralateral

3

DCML - convey

vibration, 2pt touch, joint position

4

DCML - cross at

tegmentum of caudal medulla via internal arcuate fibers

5

DCML - thalamic nucleus

VPL

6

ALS - convey

pain and temp

7

ALS - cross at

ventral white commissure

8

ALS - a delta vs c fiber

a delta - sharp/acute pain
c fiber - aching pain

9

ALS - tracts

spinothalamic, spinoreticular, spinomesencephalic

10

Spinothalamic - tracts

neospinothalamic, paleospinothalamic

11

Neospinothalamic - convey

sharp localized pain

12

Paleospinothalamic - convey

dull achy pain

13

Neospinothalamic - thalamic nucleus

VPL

14

Paleospinothalamic - collaterals

go to reticular formation

15

Paleospinothalamic - thalamic nucleus

intralaminar

16

Spinoreticular - convey

alertness, consciousness, pain (dull, achy)

17

Spinoreticular - 3rd order path

reticular formation to thalamic nuclei

18

Spinomesencephalic - 3rd order path

superior colliculus of midbrain OR periaqueductal gray of midbrain

19

Spinomesencephalic - SC convey

reflex responses

20

Spinomesencephalic - PAG convey

modulates pain circuitry

21

Amygdala - function

memory aspects

22

Insula - function

autonomic component

23

Pain modulation occurs using interneurons at...

substantia gelatinosa

24

DSCT - convey

unconscious proprioception from trunk and LE

25

DSCT - 2nd order @ C8/T1 - L3

clarke's nucleus

26

DSCT - 3rd order

inferior cerebellar peduncle

27

VSCT - convey

unconscious proprioception from trunk and LE

28

VSCT - 2nd order

not clarke's, in ventral horn

29

VSCT - 3rd order

superior cerebellar peduncle, RECROSS in cerebellum and terminate on SAME SIDE they started

30

Cuneocerebellar tract - convey

unconscious proprioception from UE