Influences of Hormones on the Bone Growth of the Young Rats
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概要
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I have experimented on bony growth, changes of epiphyseal cartilages in 35 days old rats, killed after 10 Weeks treatment.Summary of the results:1. Teststeron prop. 0.1mg every day; The bony growth was promoted feebly, but body weight and length was unconstantly. Testis was atrophied.2. Estradiol benz. 0.1mg every day; I have observed after 3 weeks the epiphyseal discs become narrower the body length and weight inhibited hardly. The endosteal ossification was accelerated. The ovary atrophied, adrenal was hypertrophied.3. Thyradin 0.5 every day; The bony growth of rat and calcification was accelerated. Thyroid was atrophied, hypophysis had no changes.4. Thymus ext.; I have treated 2gr 5 weeks and 1gr 3 or 10 weeks. The earlier period, the bony growth was promoted, but long after it has been no changes. Gonads was hypertrophied.
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