positively regulates organ induction prostate induction The close range interaction of the urogenital sinus mesenchyme and the urogenital sinus epithelium that causes the cells of the urogenital sinus epithelium to change their fates and specify the development of the prostate gland. biological_process GO:0060514 prostate field specification regulation of prostatic bud formation positive regulation of morphogenesis of an epithelium positive regulation of reproductive process