Fig. 4From: A functional variant in the UBE2B gene promoter is associated with idiopathic azoospermiaHistopathology of testes from a patient (No. 188) with Chr5.133706925 A > G and normal tissue by hematoxylin and eosin staining. a. The patient (No.188). The spermatogenic cells were reduced in contorted seminiferous tubules and there were no mature sperm. b. Testis tissue from a patient with obstructive azoospermia as the control. (Magnification: X200)Back to article page