Fig. 4From: Vascular wall injury and inflammation are key pathogenic mechanisms responsible for early testicular degeneration during acute besnoitiosis in bullsLesions observed in the testicular parenchyma from acutely infected bulls. Testicular parenchyma with H&E staining. a Degenerated seminiferous tubules and absence of sperm. Seminiferous tubules with different degrees of atrophy inside which aberrant spermatids can be observed (black arrows). Surrounding the tubules there is fibrosis and inflammation (b). Scale-bars: 100 µmBack to article page