Which spinal cord tract transmits impulses concerned with temperature and pain? Describe the pathway and include the location and destination of the first, second, and third-order neurons
What will be an ideal response
The lateral spinothalamic tract conveys impulses concerned with temperature and pain to the opposite side of the brain for interpretation by the somatosensory cortex. First-order sensory neurons enter the spinal cord and synapse with second-order interneurons in the dorsal horn. These second-order neurons crossover to the other side of the cord and then ascend to the thalamus where they synapse with third-order neurons. Thalamic neurons then ascend to the somatosensory cortex.
You might also like to view...
When homologous replicated chromosomes pair up during meiosis, they form a
A. sister chromatid. B. tetrad. C. single-stranded chromosome. D. centromere.
Blood pressure is highest in the arteries and declines to zero or negative pressure in the vena cavae
Indicate whether the statement is true or false
What causes the pumping action (influx and outflux of water containing nutrients and waste) of the intervertebral discs in adults?
A. blood supply B. body motion C. neural activity D. both A and B E. all of the above
Which of the following is largest and most easily recognized on the lateral portion of a cross-section at the level of the middle thoracic vertebrae?
A) esophagus B) lungs C) trachea D) heart E) thymus