From: Histopathological and analgesic effects of intrathecal dexmedetomidine, racemic ketamine, and magnesium sulfate in rats
Absent
Mild
Severe
Control (n = 10)
0
7
3
Magnesium sulfate (n = 10)
Ketamine (n = 10)
9
1
Dexmedetomidine (n = 10)