Table 1.

Effect of ME on response latencies in the tail-flick test

Treatment groups	Doses mg/kg	Mean response latencies ± SEM
		0	30	60	90	120
Control	-	4.17 ± 0.93	5.58 ± 0.80	5.42 ±1.28	6.33 ± 1.20	6.25 ± 1.29
Morphine	20	5.17 ± 1.99	18.83 ± 4. 45*	15.17 ± 3.92*	14.25 ± 3.25*	11.25 ± 3.25*
ME	250	4.58 ± 0.86	6.75 ± 1.84	11.17± 2.21*	14.17 ± 3.53*	10.33 ±3.44*
ME	500	5.17 ± 0.82	9.67 ± 2.80*	15.08 ± 4.71*	12.83 ± 3.14*	12.08 ± 2.35*
ME	1000	4.42 ± 0.74	11.25 ± 0.08*	15.33 ± 5.28*	14.83 ± 3.61*	13.25 ± 3.43*