Abstract
Summary
Ovarian receptors specific for hCG-LH can be induced by PMSG-ovine LH priming. The marked increase in binding activity was accompanied by a rise in ovarian progesterone concentration and preceded by ovarian weight increase. The high binding activity of heavily luteinized ovaries was followed by a decline to prepriming levels during luteolysis. The ovarian progesterone content was decreased simultaneously and no change in ovarian weight was evident. The data demonstrate that ovarian hCG binding activity undergoes variation which depends on the functional state of ovaries.
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