Fig. 3

Ultrastructural defects in spermatozoa from the patient carrying homozygous TSGA10 variant. Transmission electron microscopic morphology of the cross-sections of the midpiece, principal and end-piece in patient and normal control. Scale bar: 500 nm. Abbreviations: MS, mitochondrial sheath; CP, central pair; ODF, outer dense fiber, MTDs; microtubule doublets