皮下移植卵巣の機能の周期性II. : 人為的周期誘導に対する卵巣移植とprogesterone投与の時期の関係

概要

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In rats ovariectomized and transplanted subcutaneously with the ovaries, the authors have found that every four days periodic injection of progesterone, commenced immediately after the operation, was capable of inducing regular vaginal cycles maintained themselves isochronally after the injection period (Saito, Hanma and Maekawa, 1972). In the present paper it was clarified that in animals treated with progesterone beginning on the 20th day after the ovariectomy and transplantaion, induction of the rhythmic vaginal estrus was more difficult than with animals subjected to periodic progesterone treatment soon after the operation. Similarly, when both subcutaneous tansplantation of the litter-sister ovary and the first injection of progesterone were performed on the 20th day after ovariectomy, subsequent treatment with progesterone no longer revealed any noticeable effect on the restablishment of rhythmic sexual activities.
社団法人日本動物学会の論文
1974-06-25