Ascending pain pathway is inhibited in dorsal midbrain by encephalin anda) 5-HT (serotonin)b) Noradrenalinec) Substance Pd) Glutamatee) Adenosine
Correct Answer: ab
Description: Opioid interneurons inhibit the spinothalamic pain transmission after activation by serotonin and noradrenaline.
Category:
Physiology
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