PITUITARY CONTROL OF THE TESTIS OF THE HYPOPHYSECTOMIZED RAT1

摘要: The action of each the purified pituitary hormones has been assessed in maintenance and repair reproductive system hypophysectomized 40-day male rat. When injections interstitial cell stimulating hormone (ICSH) were begun immediately after hypophysectomy, testicular weight physiological status tubules Leydig cells maintained advanced. Testicular epithelium was extremely sensitive to low doses ICSH sperm elaborated. Even at high ICSH, accessory organ weights not, however, completely normal for chronological age. Follicle (FSH), injected which did not show contamination with had only slight effects on development; highest levels FSH caused barely perceptible stimulation organs. However, increased size development. Doses lactogenic growth hormones, having no effect th...