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    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Female reproductive system — Stock Photo
    Female reproductive system
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    3d illustration of sperm cells on colorful blue background. — Stock Photo
    3d illustration of sperm cells on colorful blue background.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    3d illustration of sperm cells approaching egg cell on colorful blue background. — Stock Photo
    3d illustration of sperm cells approaching egg cell on colorful blue background.
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.