STUDIES ON THE STORAGE MECHANISM OF THE OESTROGEN-PRECURSOR

Abstract
Adult hypophysectomized rats were used for investigation on the bire-fringent estrin precursor found in the interstitial tissue cells of the ovary. The storage of this precursor is apparently not an autonomous cellular process but is controlled by gonado-trophic hormone. The storage could, however, not be produced 6y pregnant mares'' serum hormone or chorionic gonadotrophin alone but by a combination of the 2 hormones, which in this respect seem to act synergistically.