Testis, Interstitial Cell - Hyperplasia - Gallery

Testis, Interstitial cell - Hyperplasia in a male F344/N rat from a chronic study. Two focal areas of hyperplasia are present in the testis.

Testis, Interstitial cell - Hyperplasia in a male F344/N rat from a chronic study. Higher magnification of one of the foci in Figure 1.