Figure 1

Histopathological features of dog testes. (a) Normal seminiferous tubule (b) Degeneration of the interstitium—Luminal cellular debris within tubule; (c) Sertoli cell only tubule; (d) Interstitial fibrous hyper-cellularity (e) Vacuolation of germ cells within a seminiferous tubule and (f) Multinucleated cells. Black arrows denote examples of detailed pathology observed. Scale bar represents 50 µm.