Author:
Zimmerman A. E.,Yip C. C.
Abstract
The effects of increasing or decreasing the endogenous secretion of thyroid-stimulating hormone on the iodinating activity of the rat thyroid gland were investigated. The thyroid iodinating activity of rats on 0.01% propylthiouracil in the drinking water increased linearly for 3 days and reached a maximum of 230 to 240% of the control on or about the fourth day of treatment. The daily injection of thyroxine (10 μg/100 g intraperitoneally) or hypophysectomy resulted in a rapid decrease in the iodinating activity between the first and second day, approaching a basal level by the third day. When the iodinating activity was suppressed for 4 days by daily injections of thyroxine, the activity began to rise on the fifth day after termination of thyroxine treatment.
Publisher
Canadian Science Publishing
Subject
Physiology (medical),Pharmacology,General Medicine,Physiology
Cited by
10 articles.
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