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Biology of Reproduction, Vol 5, 314-318, Copyright © 1971 by Society for the Study of Reproduction
1 Departments of Anatomy, Obstetrics and Gynecology, and Pharmacology, University of Kansas Medical Center,
Kansas City, Kansas 66103 Eggs were retained in the oviducts of intact and hypophysectomized mice by means of a
ligature at one uterotubal junction. Glycogen content of the eggs was measured enzymatically and compared with that of eggs from the nonligated side. Marked glycogen accumulation occurred in tube-locked eggs from both the intact and hypophysectomized animals.
In contrast, the glycogen levels were low and relatively stable in eggs from the nonligated
side. These results indicate that the decreased ability of tube-locked eggs to develop into normal fetuses after transfer to recipient females (Weitlauf, 1971) is not due to depletion of
glycogen as a carbohydrate energy source. In addition, the finding that glycogen increased
in tube-locked eggs and remained low in uterine eggs from the same animals suggests that
the local environment, rather than systemic hormonal conditions, determines their glycogen
content.
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