SPERM IN CERVICAL MUCUS

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Uploaded by on Oct 1, 2007

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.

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  • Yeh i remember that day.. got stuck in traffic for about 4 hours. Then everyone got lazy and i won...

  • Godspeed little spermies!

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  • It's like a metropolis of love

  • When sperm attacks....

  • I love my sperm. They're so awesome!

  • fucking awesome.

  • WOWOWOWOW

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