Abstract: After autotransplantation of both ovaries in mouse histochemical study was carried out to determine the growth and function of the ovaries. 2 to 4 d after transplantation,there was follicular necrosis in the ovary. Preantral follicles existed at the outer cortex. Histochemical staining showed almost negative. 7 to 14 d after transplantation,antral follicles could be seen in the graft.Histochemical staining showed positive. The estrus cycle occured. 14 to 72 d after transplantation,a lot of follicles in different stages of development,corpora lutea and interstitial glands could be found. Enzymes distributed extensively,and became strongly positive. This study indicates that bilaterally autotransplanted ovary can grow and secrete hormones.

Key words: mice, ovary transplantation, histochemistry, estrus cycle