From: Histopathological and analgesic effects of intrathecal dexmedetomidine, racemic ketamine, and magnesium sulfate in rats
Absent
Present
Control (n = 10)
2
8
Magnesium sulfate (n = 10)
1*
9
Ketamine (n = 10)
1
Dexmedetomidine (n = 10)
6
4