Fig. 2From: Testicular expression of TDRD1, TDRD5, TDRD9 and TDRD12 in azoospermiaa Testicular segments of specimens with MA (maturation arrest). b Testicular segments of specimens with HP (hypospermatogenesis). SP = spermatocyte; MS = mature spermatid; SC = Sertoli cell; SG = spermatogonia; Scale bar = 20 μmBack to article page