section 2

Section 2: The Spinothalamic Tract

Question 4: What specific sensations are carried by the spinothalamic tract?
Answer: It carries sensations of pain, temperature, light touch, and pressure.

Question 5: In the spinothalamic 3-neuron system, where does the secondary neuron cross to the opposite side?
Answer: The secondary neuron crosses to the opposite side within the spinal cord before ascending to the thalamus.

Question 6: Where are the cell bodies of the primary neurons in the spinothalamic tract located?
Answer: They are located in the posterior (dorsal) root ganglion.

Question 7: What type of touch is carried by the spinothalamic tract?
Answer: Crude (light) touch and pressure.

Question 8: If a lesion occurs in the spinothalamic tract after it has crossed, which side of the body is affected?
Answer: The opposite (contralateral) side.