Abstract
Summary
Progesterone (P) has been shown to stimulate placentomata formation in traumatized horns of rat uteri. Influence of estradiol benzoate (EB) and thyroxine (T4) as possible synergists in this reaction using DNA as an index was studied. Slight, but not significant, increases in various indices of placentomata growth were observed when EB or T4 were administered separately with P. Highly significant increases were observed, however, when 2 μg EB + 6 mg P + 3 μg T4/100 g BW were administered. The same level of these 3 hormones stimulated a significant increase in mammary gland growth, indicating similar response in 2 tissues of reproductive system.
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