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Optic Nerve HeadCouvade SyndromeThe Skull with a TumorNeurofibromatosisAntibiotics against PseudomonasDNA in SpermAtraumatic Extraction KitFacial MusclesDown SyndromeAt time of sexual intercourse, the male discharges at one ejaculation about 300 million (50 M. to 500 M.) into the vagina and they start to travel looking toward the secondary oocyte which is located in the uterine tube by their tails, and when they reach the Fallopian tube.
Do the cilia of the uterine tube push the sperms toward the secondary oocyte or they make the way of the sperms difficult?