Excerpt from The Physiology and Pharmacology of the Pituitary Body In addition to the ever present challenge of human pitui tary therapy, the phylogeny of the pituitary-gland functions is another field of interest as yet inadequately explored. The processes, or factors of growth, metabolism, gonad activity, etc., are common to all the vertebrates. But the hypophysis appears chemically to influence such diverse organs as the mammary gland, the crop glands (present in some birds), the uterus, the chromophores, etc. - ...
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Excerpt from The Physiology and Pharmacology of the Pituitary Body In addition to the ever present challenge of human pitui tary therapy, the phylogeny of the pituitary-gland functions is another field of interest as yet inadequately explored. The processes, or factors of growth, metabolism, gonad activity, etc., are common to all the vertebrates. But the hypophysis appears chemically to influence such diverse organs as the mammary gland, the crop glands (present in some birds), the uterus, the chromophores, etc. - organs not present in all vertebrate groups. While we have many instances of the chronologic appearance of hormones so related to processes or structures on which they seem to have specific action as to suggest, at least in some cases an actual causal relationship, the appearance of estrogenic substances in plants, the ap pearance of coz as a cell product many millions of years in advance of the development of the respiratory center, the as yet questionable hormone status of epinephrine, seem to sug gest the reverse process as a factor in evolution - that is. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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