Table 1.
Hormone condition | Time of injection
|
Sample size
|
|||
---|---|---|---|---|---|
0 h | 24 h | 48 h | Female | Male | |
Control | Oil | Oil | Oil | 15 | 5 |
E | 2 μg estradiol benzoate | 2 μg estradiol benzoate | Oil | 15 | 5 |
E + P | 2 μg estradiol benzoate | 2 μg estradiol benzoate | 500 μg progesterone | 15 | 5 |
P | Oil | Oil | 500 μg progesterone | 15 | 4 |
Sample sizes for castrated males and ovariectomized females in each treatment group are shown in the last 2 columns. Female rats were killed 2–4 h after the last injection. Males were killed 2 h after the last injection.