Fertilized oocyte
17 September 2004

cigoto 2pn/2cp
17 September 2004

2 pronuclei zygote
17 September 2004

3 pronuclei zygote
17 September 2004

PNs of unequal sizes
17 September 2004

Unipronuclear embryo; human
17 September 2004

Strange zygote
17 September 2004

2pn with corona cells
17 September 2004

Spermatid
17 September 2004

Immunofluorescent Spermatozoa
17 September 2004

Spermac Acrosome Stain
17 September 2004

Globozoospermia
17 September 2004

Sperm Comet Assay (SCGE)
17 September 2004

Sperm pinheads
17 September 2004

Globozoosperms
17 September 2004

Pinhead sperm sample
17 September 2004