The results suggest that 5-HT were involved in the regulation of the pelvic visceral nociceptive information in the lumbosacral DCN and IML of the rat.

• 上述结果提示,大鼠腰骶髓DCN和IML内的5-HT能终末可能对盆腔内脏伤害性信息的传递发挥调控作用。