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(A) The majority of cell types within the seminiferous tubules are round/elongated spermatids. (B) Different stages of spermiogenic cells. S: spermatid; eS: elongated spermatid; SC: Sertoli cell; Sp: spermatid; Av: acrosomal vesicle; Chb: chromatin body; (arrow). Scale bar= 10μm (A) and 5μm (B).
