STT / PC tract

Question 1

spinothalamic tract travels where

Answer 1

up SC within anterior part of lateral column

Question 2

which tract is spinothalamic tract part of

Answer 2

anterolateral system

Question 3

function of anterolateral system

Answer 3

awareness of pain/temp

modulate pain / temp

Question 4

spinothalamic fibers transmit info on what

Answer 4

non discriminatory touch
pain
touch

Question 5

which is medial fas can or fas grant

Answer 5

gracil

Question 6

fibres carrying info from lower body found were

Answer 6

laterally

Question 7

fibres from higher levels found where

Answer 7

medially

Question 8

what supplies anterior 2/3 of SC

Answer 8

anterior spinal artery

Question 9

secondary neurons in spinothalmic tract cross where

Answer 9

contralateral side via anterior white commissure

Question 10

is lissauer or gelatinous closer to the outside

Answer 10

Lis

Question 11

secondary neurons associeer with lis or gel

Answer 11

gel

Question 12

Top down levels of spinothalamic tract

Answer 12

Thalamus, midbrain, pons, rostral medulla, caudal medulla, SC

Question 13

where does spinothalamic tract terminate

Answer 13

-ventral posterolateral nucleus of thal (VPL)
-primary somatosensory cortex
(mid grey wide wings)

Question 14

where does spinothalamic tract lie in mid brain

Answer 14

posterior (litte, top and wide)

Question 15

where is spinothalamic tract in pons

Answer 15

lateral to medial lem in posterior (top bottom corners)

Question 16

where is spinothalamic tract in rostral medulla

Answer 16

between olivary and trigeminal (top lobe bottom corner)

Question 17

where is spinothalamic tract in caudal medulla

Answer 17

adjacent to pyramids (top lobe bottom corners)

Question 18

what do pyramids contain

Answer 18

corticospinal tract

Question 19

where do spinal gang travel up down 1-2 sets

Answer 19

lissauers

Question 20

where do axons of seconary neutrons cross midline

Answer 20

anterior white commissure

Question 21

posterior column medial lem travels up The SC within where

Answer 21

posterior column

Question 22

whats more medial grace or cune

Answer 22

grac

Question 23

fibres of posterior column transmit what info

Answer 23

disc touch
pressure
vibration
proprio

Question 24

lower level fibres in posterior column med or lat

Answer 24

medially (grace)

Question 25

higher level fibres in posterior column med or lat

Answer 25

later (cune)

Question 26

posterior spinal arteries supply what

Answer 26

posterior 1/3 of SC

Question 27

PCML axons enter SC where and pass where

Answer 27

from spinal ganglion

IPSILATERAL

Question 28

rostral fibers above T6 enter where

Answer 28

cuneatus

Question 29

casual fibres below t6 enter where

Answer 29

gracilis

Question 30

above t6 or below t6

Answer 30

above is rostal

below is caudal

Question 31

where do primary axons terminate

Answer 31

caudal medulla

Question 32

PCML cross midline where

Answer 32

caudal medulla

Question 33

tract caudal medulla PCML

Answer 33

top circles

Question 34

tract rostral medulla PCML

Answer 34

middle

Question 35

tract pons PCML

Answer 35

cups under top lobe

Question 36

tract midbrain PCML

Answer 36

above middle circles

Question 37

tract thalamus PCML

Answer 37

middle wings

Question 38

the medial lemisnuc terminates where

Answer 38

VPL of thalamus

Question 39

secondary neutrons of PCML cross midline at

Answer 39

arcuate fibers