spinothalamic tract

Question 1

other name for this tract

Answer 1

anterolateral

Question 2

what does the anterior spinothalamic tract carry

Answer 2

sensation with respect to crude light touch - there is no discrimination, and detects only superficial pressure

Question 3

what does the lateral spinothalamic tract carry

Answer 3

pain and temperature sensations

Question 4

how to stimulate the spinothalamic tract

Answer 4

nociceptors

Question 5

what do nociceptors do

Answer 5

they detect tissue damage and extreme temperatures
a delta and c fibres

Question 6

describe c fibres

Answer 6

slow pain that cannot be localisaed as well as fast pain
stimulation is similar to a delta
release of inflammatory chemicals from injury like bradykinin and histamine stimulates the c fibres

Question 7

describe route of c fibres in spinal cord

Answer 7

enter the spinal cord and either ascend or descend
when it does this it synapses on specific points and then crosses to the anterior commissure to ascend

Question 8

describe the route of the a delta fibres

Answer 8

enter spinal cord and cross to the anterior white commissure which then enters the anterolateral system to move upward