Fig. 37. — The effect of prolan on the testis and seminal vesicle of the immature 

 rat. From Moore and Price (1931). Nos. i and 2: Photomicrographs of testis 

 and seminal vesicle of an injected rat. Note the marked hypertrophy of the inter- 

 stitial tissue and the enlargement of the epithelium of the seminal vesicle. Nos. 3 and 

 4: Photomicrographs of similar tissues from an uninjected rat. 



