Video duration: 212 seconds
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While examining human sperm in a scanning electron microscope, we got astonished: a spermatozoon bearing an unprecedented anomaly, dramatically recalled the XVII century preformation theory and the theory of "Homunculus".
Video duration: 487 seconds
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Endorectal per-ejaculatory ultrasonographic study provides a new insight in the mechanics of ejaculation. Presented at the SIU-1994 congress (Sydney). Dr. JM Gil-Vernet
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Phase-contrast microscopy: human spermatozoa penetrating cervical mucus in vitro. Once into the cervical mucus, the spermatozoa travel in lines along molecular tracks made of highly hydrated, long glycoproteins. A one-way climbing.
The role of the human sperm acrosome is presented together with an original lab procedure to assess acrosome integrity, important in managing human reproductive problems and in basic research on spermatozoa