J. Anim Sci.
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J. Anim Sci. 1972. 35:967-973.
© 1972 American Society of Animal Science
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Seasonal Variations of Nuclear Size of Hypothalamic Cells in the Roe-Buck1

George A. Bubenik2, 3,

Swiss Foundation for Alpine Research, Zurich, Switzerland

Abstract

THE state of hypothalamus in the roe-buck was studied karyometrically in connection with its seasonal activity. The following areas were selected for the study: supraoptic nucleus (nc.) paraventricular nc., ventromedial nc., arcuate nc. and tuberomamillary nc. The changes in cell nuclear diameter are discussed in relation with the antler cycle, thyroid activity and spermatogenesis, which were also investigated in this study.

Footnotes

1 This study was supported by the Swiss Foundation for Alpine Research, Zurich, Switzerland.

2 The author wishes to thank Dr. A. B. Bubenik, Dr. G. M. Brown, Prof. Dr. R. Fankhauser, Dr. H. Schwarzenbach, Prof. Dr. V. Schreiber and Dr. M. Fallert for their advice, and inspector H. Schärrer and Mr. W. Schlupp for securing and preparing the animal specimens.

3 Present address: Clarke Institute of Psychiatry, Neuroendocrinology Research Section, 250 College St., Toronto 130, Canada.






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Copyright © 1972 by the American Society of Animal Science.