Pengaruh Daun Annona muricata terhadap Diameter Tubulus Seminiferus, Jumlah Sel Sertoli dan Sel Leydig Mencit yang diinduksi Aloksan = Effect of Annona Muricata Leaf against Diameter of Seminiferous Tubules and Amount of Sertoli and Leydig Cells on Alloxan-induced Mice