MAMMOGENESIS AND LACTOGENESIS IN HYPOPHYSECTOMIZED, OVARIECTOMIZED, ADRENALECTOMIZED RATS

in Journal of Endocrinology
Authors:
A. T. COWIE
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W. R. LYONS
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SUMMARY

In the hypophysectomized-ovariectomized-adrenalectomized hooded Norway rat, growth of the mammary ducts can be induced with oestrone + somatotrophin + corticoids; lobule-alveolar development ensues if in addition to the above combination progesterone + prolactin is also administered. On withdrawing these hormones the local injection of prolactin then causes secretion in the underlying mammary gland, but only when corticoids are administered systemically.

 

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