Fig. 1
From: Testicular expression of TDRD1, TDRD5, TDRD9 and TDRD12 in azoospermia

a Testicular sections of samples with OA (obstructive azoospermia). b Testicular segments of specimens by SCOS (Sertoli cell-only syndrome). SP = spermatocyte; MS = mature spermatid; SC = Sertoli cell; SG = spermatogonia; Scale bar = 20 μm