ISSN:
1420-9071
Keywords:
Gonadotropin releasing hormone
;
GnRH
;
GnRH receptors
;
hamsters
;
photoperiod
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary Both intact and ovariectomized+adrenalectomized hamsters on a short photoperiod, had a daily surge in plasma LH at approximately 16.00–18.00 h. The number of pituitary GnRH receptors was generally lower in ovariectomized+adrenalectomized hamsters than in intact animals, but both intact and ovariectomized+adrenalectomized hamsters had a decrease in the number of receptors just prior to the LH surge. These results show that gonadal steroids are not involved in regulating the pre-LH surge fall in the number of GnRH receptors.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01955559
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