Background and Aim: The cuneiformis nucleus (CnF), which rest in the ventrolateral portion of the periaqueductal gray matter, has opioid receptors that may modulate acute pain. The present study was conducted to evaluate the role of morphine injection into the area of rat’s brain CnF in the modulation of chronic pain and antinociceptive effect of morphine on this area.
Materials and Methods: I...
